Home / 15,953.44-22,015.20-8,880.16

Finding the Fourth Proportional to 15,953.44, 22,015.20 and 8,880.16

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Solution

The fourth proportional to 15,953.44, 22,015.20 and 8,880.16 is: 12,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.44 : 22,015.20 = 8,880.16 : x
  2. Step 2: Convert to fraction form
    15,953.44/22,015.20 = 8,880.16/x
  3. Step 3: Cross multiply
    15,953.44x = 22,015.20 × 8,880.16
  4. Step 4: Simplify right side
    15,953.44x = 195,498,498.43
  5. Step 5: Solve for x
    x = 195,498,498.43/15,953.44
  6. Step 6: Final answer
    x = 12,254.32

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Half scale
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Double scale
Find fourth proportional to 15,954.44, 22,016.58 and 8,881.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.