Home / 25,155.34-34,702.40-18,085.86

Finding the Fourth Proportional to 25,155.34, 34,702.40 and 18,085.86

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Solution

The fourth proportional to 25,155.34, 34,702.40 and 18,085.86 is: 24,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.34 : 34,702.40 = 18,085.86 : x
  2. Step 2: Convert to fraction form
    25,155.34/34,702.40 = 18,085.86/x
  3. Step 3: Cross multiply
    25,155.34x = 34,702.40 × 18,085.86
  4. Step 4: Simplify right side
    25,155.34x = 627,622,616.09
  5. Step 5: Solve for x
    x = 627,622,616.09/25,155.34
  6. Step 6: Final answer
    x = 24,949.88

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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.