Home / 14,901.59-22,345.16-8,663.40

Finding the Fourth Proportional to 14,901.59, 22,345.16 and 8,663.40

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Solution

The fourth proportional to 14,901.59, 22,345.16 and 8,663.40 is: 12,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.59 : 22,345.16 = 8,663.40 : x
  2. Step 2: Convert to fraction form
    14,901.59/22,345.16 = 8,663.40/x
  3. Step 3: Cross multiply
    14,901.59x = 22,345.16 × 8,663.40
  4. Step 4: Simplify right side
    14,901.59x = 193,585,015.83
  5. Step 5: Solve for x
    x = 193,585,015.83/14,901.59
  6. Step 6: Final answer
    x = 12,990.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.