Home / 28,603.74-39,475.36-18,002.46

Finding the Fourth Proportional to 28,603.74, 39,475.36 and 18,002.46

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Solution

The fourth proportional to 28,603.74, 39,475.36 and 18,002.46 is: 24,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603.74 : 39,475.36 = 18,002.46 : x
  2. Step 2: Convert to fraction form
    28,603.74/39,475.36 = 18,002.46/x
  3. Step 3: Cross multiply
    28,603.74x = 39,475.36 × 18,002.46
  4. Step 4: Simplify right side
    28,603.74x = 710,653,589.39
  5. Step 5: Solve for x
    x = 710,653,589.39/28,603.74
  6. Step 6: Final answer
    x = 24,844.78

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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.