Home / 15,953.13-22,016.61-8,880.08

Finding the Fourth Proportional to 15,953.13, 22,016.61 and 8,880.08

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Solution

The fourth proportional to 15,953.13, 22,016.61 and 8,880.08 is: 12,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.13 : 22,016.61 = 8,880.08 : x
  2. Step 2: Convert to fraction form
    15,953.13/22,016.61 = 8,880.08/x
  3. Step 3: Cross multiply
    15,953.13x = 22,016.61 × 8,880.08
  4. Step 4: Simplify right side
    15,953.13x = 195,509,148.05
  5. Step 5: Solve for x
    x = 195,509,148.05/15,953.13
  6. Step 6: Final answer
    x = 12,255.22

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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.