Home / 25,875.89-35,702.38-15,800.66

Finding the Fourth Proportional to 25,875.89, 35,702.38 and 15,800.66

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Solution

The fourth proportional to 25,875.89, 35,702.38 and 15,800.66 is: 21,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,875.89 : 35,702.38 = 15,800.66 : x
  2. Step 2: Convert to fraction form
    25,875.89/35,702.38 = 15,800.66/x
  3. Step 3: Cross multiply
    25,875.89x = 35,702.38 × 15,800.66
  4. Step 4: Simplify right side
    25,875.89x = 564,121,167.57
  5. Step 5: Solve for x
    x = 564,121,167.57/25,875.89
  6. Step 6: Final answer
    x = 21,801.03

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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.