Home / 18,423.08-25,423.86-10,039.58

Finding the Fourth Proportional to 18,423.08, 25,423.86 and 10,039.58

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Solution

The fourth proportional to 18,423.08, 25,423.86 and 10,039.58 is: 13,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.08 : 25,423.86 = 10,039.58 : x
  2. Step 2: Convert to fraction form
    18,423.08/25,423.86 = 10,039.58/x
  3. Step 3: Cross multiply
    18,423.08x = 25,423.86 × 10,039.58
  4. Step 4: Simplify right side
    18,423.08x = 255,244,876.38
  5. Step 5: Solve for x
    x = 255,244,876.38/18,423.08
  6. Step 6: Final answer
    x = 13,854.63

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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.