Home / 23,140.13-31,933.13-13,068.38

Finding the Fourth Proportional to 23,140.13, 31,933.13 and 13,068.38

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Solution

The fourth proportional to 23,140.13, 31,933.13 and 13,068.38 is: 18,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.13 : 31,933.13 = 13,068.38 : x
  2. Step 2: Convert to fraction form
    23,140.13/31,933.13 = 13,068.38/x
  3. Step 3: Cross multiply
    23,140.13x = 31,933.13 × 13,068.38
  4. Step 4: Simplify right side
    23,140.13x = 417,314,291.92
  5. Step 5: Solve for x
    x = 417,314,291.92/23,140.13
  6. Step 6: Final answer
    x = 18,034.23

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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.