Home / 22,475.04-31,006.08-15,765.05

Finding the Fourth Proportional to 22,475.04, 31,006.08 and 15,765.05

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Solution

The fourth proportional to 22,475.04, 31,006.08 and 15,765.05 is: 21,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,475.04 : 31,006.08 = 15,765.05 : x
  2. Step 2: Convert to fraction form
    22,475.04/31,006.08 = 15,765.05/x
  3. Step 3: Cross multiply
    22,475.04x = 31,006.08 × 15,765.05
  4. Step 4: Simplify right side
    22,475.04x = 488,812,246.47
  5. Step 5: Solve for x
    x = 488,812,246.47/22,475.04
  6. Step 6: Final answer
    x = 21,749.12

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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.