Home / 18,360.24-25,337.05-10,403.98

Finding the Fourth Proportional to 18,360.24, 25,337.05 and 10,403.98

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Solution

The fourth proportional to 18,360.24, 25,337.05 and 10,403.98 is: 14,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.24 : 25,337.05 = 10,403.98 : x
  2. Step 2: Convert to fraction form
    18,360.24/25,337.05 = 10,403.98/x
  3. Step 3: Cross multiply
    18,360.24x = 25,337.05 × 10,403.98
  4. Step 4: Simplify right side
    18,360.24x = 263,606,161.46
  5. Step 5: Solve for x
    x = 263,606,161.46/18,360.24
  6. Step 6: Final answer
    x = 14,357.45

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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.