Home / 15,975.64-22,044.54-8,900.92

Finding the Fourth Proportional to 15,975.64, 22,044.54 and 8,900.92

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Solution

The fourth proportional to 15,975.64, 22,044.54 and 8,900.92 is: 12,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.64 : 22,044.54 = 8,900.92 : x
  2. Step 2: Convert to fraction form
    15,975.64/22,044.54 = 8,900.92/x
  3. Step 3: Cross multiply
    15,975.64x = 22,044.54 × 8,900.92
  4. Step 4: Simplify right side
    15,975.64x = 196,216,686.98
  5. Step 5: Solve for x
    x = 196,216,686.98/15,975.64
  6. Step 6: Final answer
    x = 12,282.24

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Half scale
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Double scale
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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.