Home / 14,712.37-20,298.40-9,126.61

Finding the Fourth Proportional to 14,712.37, 20,298.40 and 9,126.61

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Solution

The fourth proportional to 14,712.37, 20,298.40 and 9,126.61 is: 12,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.37 : 20,298.40 = 9,126.61 : x
  2. Step 2: Convert to fraction form
    14,712.37/20,298.40 = 9,126.61/x
  3. Step 3: Cross multiply
    14,712.37x = 20,298.40 × 9,126.61
  4. Step 4: Simplify right side
    14,712.37x = 185,255,580.42
  5. Step 5: Solve for x
    x = 185,255,580.42/14,712.37
  6. Step 6: Final answer
    x = 12,591.82

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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.