Home / 18,422.48-25,423.08-10,039.04

Finding the Fourth Proportional to 18,422.48, 25,423.08 and 10,039.04

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Solution

The fourth proportional to 18,422.48, 25,423.08 and 10,039.04 is: 13,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.48 : 25,423.08 = 10,039.04 : x
  2. Step 2: Convert to fraction form
    18,422.48/25,423.08 = 10,039.04/x
  3. Step 3: Cross multiply
    18,422.48x = 25,423.08 × 10,039.04
  4. Step 4: Simplify right side
    18,422.48x = 255,223,317.04
  5. Step 5: Solve for x
    x = 255,223,317.04/18,422.48
  6. Step 6: Final answer
    x = 13,853.91

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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.