Home / 18,438.77-25,445.27-10,480.48

Finding the Fourth Proportional to 18,438.77, 25,445.27 and 10,480.48

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Solution

The fourth proportional to 18,438.77, 25,445.27 and 10,480.48 is: 14,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.77 : 25,445.27 = 10,480.48 : x
  2. Step 2: Convert to fraction form
    18,438.77/25,445.27 = 10,480.48/x
  3. Step 3: Cross multiply
    18,438.77x = 25,445.27 × 10,480.48
  4. Step 4: Simplify right side
    18,438.77x = 266,678,605.92
  5. Step 5: Solve for x
    x = 266,678,605.92/18,438.77
  6. Step 6: Final answer
    x = 14,462.93

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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.