Home / 14,402.28-19,875.06-8,116.68

Finding the Fourth Proportional to 14,402.28, 19,875.06 and 8,116.68

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Solution

The fourth proportional to 14,402.28, 19,875.06 and 8,116.68 is: 11,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.28 : 19,875.06 = 8,116.68 : x
  2. Step 2: Convert to fraction form
    14,402.28/19,875.06 = 8,116.68/x
  3. Step 3: Cross multiply
    14,402.28x = 19,875.06 × 8,116.68
  4. Step 4: Simplify right side
    14,402.28x = 161,319,502.00
  5. Step 5: Solve for x
    x = 161,319,502.00/14,402.28
  6. Step 6: Final answer
    x = 11,200.97

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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.