Home / 14,565.12-20,099.27-8,191.53

Finding the Fourth Proportional to 14,565.12, 20,099.27 and 8,191.53

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Solution

The fourth proportional to 14,565.12, 20,099.27 and 8,191.53 is: 11,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565.12 : 20,099.27 = 8,191.53 : x
  2. Step 2: Convert to fraction form
    14,565.12/20,099.27 = 8,191.53/x
  3. Step 3: Cross multiply
    14,565.12x = 20,099.27 × 8,191.53
  4. Step 4: Simplify right side
    14,565.12x = 164,643,773.18
  5. Step 5: Solve for x
    x = 164,643,773.18/14,565.12
  6. Step 6: Final answer
    x = 11,303.98

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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.