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Finding the Fourth Proportional to 15,966.65, 22,037.67 and 9,256.01

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Solution

The fourth proportional to 15,966.65, 22,037.67 and 9,256.01 is: 12,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.65 : 22,037.67 = 9,256.01 : x
  2. Step 2: Convert to fraction form
    15,966.65/22,037.67 = 9,256.01/x
  3. Step 3: Cross multiply
    15,966.65x = 22,037.67 × 9,256.01
  4. Step 4: Simplify right side
    15,966.65x = 203,980,783.71
  5. Step 5: Solve for x
    x = 203,980,783.71/15,966.65
  6. Step 6: Final answer
    x = 12,775.43

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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.