Home / 14,108.48-21,245.17-10,436.61

Finding the Fourth Proportional to 14,108.48, 21,245.17 and 10,436.61

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Solution

The fourth proportional to 14,108.48, 21,245.17 and 10,436.61 is: 15,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.48 : 21,245.17 = 10,436.61 : x
  2. Step 2: Convert to fraction form
    14,108.48/21,245.17 = 10,436.61/x
  3. Step 3: Cross multiply
    14,108.48x = 21,245.17 × 10,436.61
  4. Step 4: Simplify right side
    14,108.48x = 221,727,501.49
  5. Step 5: Solve for x
    x = 221,727,501.49/14,108.48
  6. Step 6: Final answer
    x = 15,715.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.