Home / 25,272.12-37,862.78-14,878.20

Finding the Fourth Proportional to 25,272.12, 37,862.78 and 14,878.20

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Solution

The fourth proportional to 25,272.12, 37,862.78 and 14,878.20 is: 22,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,272.12 : 37,862.78 = 14,878.20 : x
  2. Step 2: Convert to fraction form
    25,272.12/37,862.78 = 14,878.20/x
  3. Step 3: Cross multiply
    25,272.12x = 37,862.78 × 14,878.20
  4. Step 4: Simplify right side
    25,272.12x = 563,330,013.40
  5. Step 5: Solve for x
    x = 563,330,013.40/25,272.12
  6. Step 6: Final answer
    x = 22,290.57

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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.