Home / 18,424.17-25,425.36-10,040.67

Finding the Fourth Proportional to 18,424.17, 25,425.36 and 10,040.67

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Solution

The fourth proportional to 18,424.17, 25,425.36 and 10,040.67 is: 13,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.17 : 25,425.36 = 10,040.67 : x
  2. Step 2: Convert to fraction form
    18,424.17/25,425.36 = 10,040.67/x
  3. Step 3: Cross multiply
    18,424.17x = 25,425.36 × 10,040.67
  4. Step 4: Simplify right side
    18,424.17x = 255,287,649.39
  5. Step 5: Solve for x
    x = 255,287,649.39/18,424.17
  6. Step 6: Final answer
    x = 13,856.13

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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.