Home / 14,905.18-20,562.06-10,715.86

Finding the Fourth Proportional to 14,905.18, 20,562.06 and 10,715.86

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Solution

The fourth proportional to 14,905.18, 20,562.06 and 10,715.86 is: 14,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.18 : 20,562.06 = 10,715.86 : x
  2. Step 2: Convert to fraction form
    14,905.18/20,562.06 = 10,715.86/x
  3. Step 3: Cross multiply
    14,905.18x = 20,562.06 × 10,715.86
  4. Step 4: Simplify right side
    14,905.18x = 220,340,156.27
  5. Step 5: Solve for x
    x = 220,340,156.27/14,905.18
  6. Step 6: Final answer
    x = 14,782.79

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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.