Home / 25,171.10-34,743.86-16,218.57

Finding the Fourth Proportional to 25,171.10, 34,743.86 and 16,218.57

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Solution

The fourth proportional to 25,171.10, 34,743.86 and 16,218.57 is: 22,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.10 : 34,743.86 = 16,218.57 : x
  2. Step 2: Convert to fraction form
    25,171.10/34,743.86 = 16,218.57/x
  3. Step 3: Cross multiply
    25,171.10x = 34,743.86 × 16,218.57
  4. Step 4: Simplify right side
    25,171.10x = 563,495,644.39
  5. Step 5: Solve for x
    x = 563,495,644.39/25,171.10
  6. Step 6: Final answer
    x = 22,386.62

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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.