Home / 38,376.18-57,564.54-13,416.12

Finding the Fourth Proportional to 38,376.18, 57,564.54 and 13,416.12

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Solution

The fourth proportional to 38,376.18, 57,564.54 and 13,416.12 is: 20,124.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.18 : 57,564.54 = 13,416.12 : x
  2. Step 2: Convert to fraction form
    38,376.18/57,564.54 = 13,416.12/x
  3. Step 3: Cross multiply
    38,376.18x = 57,564.54 × 13,416.12
  4. Step 4: Simplify right side
    38,376.18x = 772,292,776.38
  5. Step 5: Solve for x
    x = 772,292,776.38/38,376.18
  6. Step 6: Final answer
    x = 20,124.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.