Home / 18,393.96-25,384.92-10,436.24

Finding the Fourth Proportional to 18,393.96, 25,384.92 and 10,436.24

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Solution

The fourth proportional to 18,393.96, 25,384.92 and 10,436.24 is: 14,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.96 : 25,384.92 = 10,436.24 : x
  2. Step 2: Convert to fraction form
    18,393.96/25,384.92 = 10,436.24/x
  3. Step 3: Cross multiply
    18,393.96x = 25,384.92 × 10,436.24
  4. Step 4: Simplify right side
    18,393.96x = 264,923,117.50
  5. Step 5: Solve for x
    x = 264,923,117.50/18,393.96
  6. Step 6: Final answer
    x = 14,402.72

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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.