Home / 26,411.50-36,441.35-15,658.90

Finding the Fourth Proportional to 26,411.50, 36,441.35 and 15,658.90

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Solution

The fourth proportional to 26,411.50, 36,441.35 and 15,658.90 is: 21,605.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,411.50 : 36,441.35 = 15,658.90 : x
  2. Step 2: Convert to fraction form
    26,411.50/36,441.35 = 15,658.90/x
  3. Step 3: Cross multiply
    26,411.50x = 36,441.35 × 15,658.90
  4. Step 4: Simplify right side
    26,411.50x = 570,631,195.01
  5. Step 5: Solve for x
    x = 570,631,195.01/26,411.50
  6. Step 6: Final answer
    x = 21,605.41

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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.