Home / 18,359.04-25,337.78-10,403.83

Finding the Fourth Proportional to 18,359.04, 25,337.78 and 10,403.83

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Solution

The fourth proportional to 18,359.04, 25,337.78 and 10,403.83 is: 14,358.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.04 : 25,337.78 = 10,403.83 : x
  2. Step 2: Convert to fraction form
    18,359.04/25,337.78 = 10,403.83/x
  3. Step 3: Cross multiply
    18,359.04x = 25,337.78 × 10,403.83
  4. Step 4: Simplify right side
    18,359.04x = 263,609,955.70
  5. Step 5: Solve for x
    x = 263,609,955.70/18,359.04
  6. Step 6: Final answer
    x = 14,358.59

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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.