Home / 17,938.13-24,788.75-13,454.09

Finding the Fourth Proportional to 17,938.13, 24,788.75 and 13,454.09

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Solution

The fourth proportional to 17,938.13, 24,788.75 and 13,454.09 is: 18,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.13 : 24,788.75 = 13,454.09 : x
  2. Step 2: Convert to fraction form
    17,938.13/24,788.75 = 13,454.09/x
  3. Step 3: Cross multiply
    17,938.13x = 24,788.75 × 13,454.09
  4. Step 4: Simplify right side
    17,938.13x = 333,510,068.19
  5. Step 5: Solve for x
    x = 333,510,068.19/17,938.13
  6. Step 6: Final answer
    x = 18,592.25

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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.