Home / 25,378.06-38,056.15-9,784.75

Finding the Fourth Proportional to 25,378.06, 38,056.15 and 9,784.75

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Solution

The fourth proportional to 25,378.06, 38,056.15 and 9,784.75 is: 14,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.06 : 38,056.15 = 9,784.75 : x
  2. Step 2: Convert to fraction form
    25,378.06/38,056.15 = 9,784.75/x
  3. Step 3: Cross multiply
    25,378.06x = 38,056.15 × 9,784.75
  4. Step 4: Simplify right side
    25,378.06x = 372,369,913.71
  5. Step 5: Solve for x
    x = 372,369,913.71/25,378.06
  6. Step 6: Final answer
    x = 14,672.91

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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.