Home / 25,730.87-38,588.40-9,934.65

Finding the Fourth Proportional to 25,730.87, 38,588.40 and 9,934.65

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Solution

The fourth proportional to 25,730.87, 38,588.40 and 9,934.65 is: 14,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,730.87 : 38,588.40 = 9,934.65 : x
  2. Step 2: Convert to fraction form
    25,730.87/38,588.40 = 9,934.65/x
  3. Step 3: Cross multiply
    25,730.87x = 38,588.40 × 9,934.65
  4. Step 4: Simplify right side
    25,730.87x = 383,362,248.06
  5. Step 5: Solve for x
    x = 383,362,248.06/25,730.87
  6. Step 6: Final answer
    x = 14,898.93

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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.