Home / 25,887.61-38,823.90-10,089.12

Finding the Fourth Proportional to 25,887.61, 38,823.90 and 10,089.12

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Solution

The fourth proportional to 25,887.61, 38,823.90 and 10,089.12 is: 15,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,887.61 : 38,823.90 = 10,089.12 : x
  2. Step 2: Convert to fraction form
    25,887.61/38,823.90 = 10,089.12/x
  3. Step 3: Cross multiply
    25,887.61x = 38,823.90 × 10,089.12
  4. Step 4: Simplify right side
    25,887.61x = 391,698,985.97
  5. Step 5: Solve for x
    x = 391,698,985.97/25,887.61
  6. Step 6: Final answer
    x = 15,130.75

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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.