Home / 18,429.18-25,432.26-10,045.68

Finding the Fourth Proportional to 18,429.18, 25,432.26 and 10,045.68

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Solution

The fourth proportional to 18,429.18, 25,432.26 and 10,045.68 is: 13,863.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.18 : 25,432.26 = 10,045.68 : x
  2. Step 2: Convert to fraction form
    18,429.18/25,432.26 = 10,045.68/x
  3. Step 3: Cross multiply
    18,429.18x = 25,432.26 × 10,045.68
  4. Step 4: Simplify right side
    18,429.18x = 255,484,218.48
  5. Step 5: Solve for x
    x = 255,484,218.48/18,429.18
  6. Step 6: Final answer
    x = 13,863.03

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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.