Home / 18,423.50-25,424.98-10,040.54

Finding the Fourth Proportional to 18,423.50, 25,424.98 and 10,040.54

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Solution

The fourth proportional to 18,423.50, 25,424.98 and 10,040.54 is: 13,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.50 : 25,424.98 = 10,040.54 : x
  2. Step 2: Convert to fraction form
    18,423.50/25,424.98 = 10,040.54/x
  3. Step 3: Cross multiply
    18,423.50x = 25,424.98 × 10,040.54
  4. Step 4: Simplify right side
    18,423.50x = 255,280,528.69
  5. Step 5: Solve for x
    x = 255,280,528.69/18,423.50
  6. Step 6: Final answer
    x = 13,856.24

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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.