Home / 16,288.18-22,480.10-10,320.41

Finding the Fourth Proportional to 16,288.18, 22,480.10 and 10,320.41

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Solution

The fourth proportional to 16,288.18, 22,480.10 and 10,320.41 is: 14,243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,288.18 : 22,480.10 = 10,320.41 : x
  2. Step 2: Convert to fraction form
    16,288.18/22,480.10 = 10,320.41/x
  3. Step 3: Cross multiply
    16,288.18x = 22,480.10 × 10,320.41
  4. Step 4: Simplify right side
    16,288.18x = 232,003,762.24
  5. Step 5: Solve for x
    x = 232,003,762.24/16,288.18
  6. Step 6: Final answer
    x = 14,243.69

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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.