Home / 14,129.61-19,502.45-9,655.17

Finding the Fourth Proportional to 14,129.61, 19,502.45 and 9,655.17

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Solution

The fourth proportional to 14,129.61, 19,502.45 and 9,655.17 is: 13,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.61 : 19,502.45 = 9,655.17 : x
  2. Step 2: Convert to fraction form
    14,129.61/19,502.45 = 9,655.17/x
  3. Step 3: Cross multiply
    14,129.61x = 19,502.45 × 9,655.17
  4. Step 4: Simplify right side
    14,129.61x = 188,299,470.17
  5. Step 5: Solve for x
    x = 188,299,470.17/14,129.61
  6. Step 6: Final answer
    x = 13,326.59

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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.