Home / 14,319.40-19,761.42-8,032.18

Finding the Fourth Proportional to 14,319.40, 19,761.42 and 8,032.18

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Solution

The fourth proportional to 14,319.40, 19,761.42 and 8,032.18 is: 11,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.40 : 19,761.42 = 8,032.18 : x
  2. Step 2: Convert to fraction form
    14,319.40/19,761.42 = 8,032.18/x
  3. Step 3: Cross multiply
    14,319.40x = 19,761.42 × 8,032.18
  4. Step 4: Simplify right side
    14,319.40x = 158,727,282.50
  5. Step 5: Solve for x
    x = 158,727,282.50/14,319.40
  6. Step 6: Final answer
    x = 11,084.77

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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.