Home / 15,737.58-21,723.75-10,434.18

Finding the Fourth Proportional to 15,737.58, 21,723.75 and 10,434.18

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Solution

The fourth proportional to 15,737.58, 21,723.75 and 10,434.18 is: 14,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737.58 : 21,723.75 = 10,434.18 : x
  2. Step 2: Convert to fraction form
    15,737.58/21,723.75 = 10,434.18/x
  3. Step 3: Cross multiply
    15,737.58x = 21,723.75 × 10,434.18
  4. Step 4: Simplify right side
    15,737.58x = 226,669,517.78
  5. Step 5: Solve for x
    x = 226,669,517.78/15,737.58
  6. Step 6: Final answer
    x = 14,403.07

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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.