Home / 25,677.76-38,518.80-9,036.04

Finding the Fourth Proportional to 25,677.76, 38,518.80 and 9,036.04

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Solution

The fourth proportional to 25,677.76, 38,518.80 and 9,036.04 is: 13,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,677.76 : 38,518.80 = 9,036.04 : x
  2. Step 2: Convert to fraction form
    25,677.76/38,518.80 = 9,036.04/x
  3. Step 3: Cross multiply
    25,677.76x = 38,518.80 × 9,036.04
  4. Step 4: Simplify right side
    25,677.76x = 348,057,417.55
  5. Step 5: Solve for x
    x = 348,057,417.55/25,677.76
  6. Step 6: Final answer
    x = 13,554.82

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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.