Home / 17,151.10-23,666.85-9,981.96

Finding the Fourth Proportional to 17,151.10, 23,666.85 and 9,981.96

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Solution

The fourth proportional to 17,151.10, 23,666.85 and 9,981.96 is: 13,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,151.10 : 23,666.85 = 9,981.96 : x
  2. Step 2: Convert to fraction form
    17,151.10/23,666.85 = 9,981.96/x
  3. Step 3: Cross multiply
    17,151.10x = 23,666.85 × 9,981.96
  4. Step 4: Simplify right side
    17,151.10x = 236,241,646.89
  5. Step 5: Solve for x
    x = 236,241,646.89/17,151.10
  6. Step 6: Final answer
    x = 13,774.14

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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.