Home / 18,332.00-25,297.89-10,779.20

Finding the Fourth Proportional to 18,332.00, 25,297.89 and 10,779.20

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Solution

The fourth proportional to 18,332.00, 25,297.89 and 10,779.20 is: 14,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.00 : 25,297.89 = 10,779.20 : x
  2. Step 2: Convert to fraction form
    18,332.00/25,297.89 = 10,779.20/x
  3. Step 3: Cross multiply
    18,332.00x = 25,297.89 × 10,779.20
  4. Step 4: Simplify right side
    18,332.00x = 272,690,889.40
  5. Step 5: Solve for x
    x = 272,690,889.40/18,332.00
  6. Step 6: Final answer
    x = 14,875.13

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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.