Home / 25,143.68-34,701-16,077.26

Finding the Fourth Proportional to 25,143.68, 34,701 and 16,077.26

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Solution

The fourth proportional to 25,143.68, 34,701 and 16,077.26 is: 22,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.68 : 34,701 = 16,077.26 : x
  2. Step 2: Convert to fraction form
    25,143.68/34,701 = 16,077.26/x
  3. Step 3: Cross multiply
    25,143.68x = 34,701 × 16,077.26
  4. Step 4: Simplify right side
    25,143.68x = 557,896,999.26
  5. Step 5: Solve for x
    x = 557,896,999.26/25,143.68
  6. Step 6: Final answer
    x = 22,188.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.