Home / 18,423.96-25,425.36-10,040.48

Finding the Fourth Proportional to 18,423.96, 25,425.36 and 10,040.48

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Solution

The fourth proportional to 18,423.96, 25,425.36 and 10,040.48 is: 13,856.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.96 : 25,425.36 = 10,040.48 : x
  2. Step 2: Convert to fraction form
    18,423.96/25,425.36 = 10,040.48/x
  3. Step 3: Cross multiply
    18,423.96x = 25,425.36 × 10,040.48
  4. Step 4: Simplify right side
    18,423.96x = 255,282,818.57
  5. Step 5: Solve for x
    x = 255,282,818.57/18,423.96
  6. Step 6: Final answer
    x = 13,856.02

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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.