Home / 25,575.12-38,362.80-8,935.08

Finding the Fourth Proportional to 25,575.12, 38,362.80 and 8,935.08

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Solution

The fourth proportional to 25,575.12, 38,362.80 and 8,935.08 is: 13,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,575.12 : 38,362.80 = 8,935.08 : x
  2. Step 2: Convert to fraction form
    25,575.12/38,362.80 = 8,935.08/x
  3. Step 3: Cross multiply
    25,575.12x = 38,362.80 × 8,935.08
  4. Step 4: Simplify right side
    25,575.12x = 342,774,687.02
  5. Step 5: Solve for x
    x = 342,774,687.02/25,575.12
  6. Step 6: Final answer
    x = 13,402.66

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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.