Home / 38,686.04-53,410.03-25,279.73

Finding the Fourth Proportional to 38,686.04, 53,410.03 and 25,279.73

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Solution

The fourth proportional to 38,686.04, 53,410.03 and 25,279.73 is: 34,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,686.04 : 53,410.03 = 25,279.73 : x
  2. Step 2: Convert to fraction form
    38,686.04/53,410.03 = 25,279.73/x
  3. Step 3: Cross multiply
    38,686.04x = 53,410.03 × 25,279.73
  4. Step 4: Simplify right side
    38,686.04x = 1,350,191,007.73
  5. Step 5: Solve for x
    x = 1,350,191,007.73/38,686.04
  6. Step 6: Final answer
    x = 34,901.25

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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.