Home / 34,068.13-47,013.65-18,960.53

Finding the Fourth Proportional to 34,068.13, 47,013.65 and 18,960.53

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Solution

The fourth proportional to 34,068.13, 47,013.65 and 18,960.53 is: 26,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,068.13 : 47,013.65 = 18,960.53 : x
  2. Step 2: Convert to fraction form
    34,068.13/47,013.65 = 18,960.53/x
  3. Step 3: Cross multiply
    34,068.13x = 47,013.65 × 18,960.53
  4. Step 4: Simplify right side
    34,068.13x = 891,403,743.97
  5. Step 5: Solve for x
    x = 891,403,743.97/34,068.13
  6. Step 6: Final answer
    x = 26,165.33

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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.