Home / 28,712.11-43,076.90-14,681.99

Finding the Fourth Proportional to 28,712.11, 43,076.90 and 14,681.99

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Solution

The fourth proportional to 28,712.11, 43,076.90 and 14,681.99 is: 22,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,712.11 : 43,076.90 = 14,681.99 : x
  2. Step 2: Convert to fraction form
    28,712.11/43,076.90 = 14,681.99/x
  3. Step 3: Cross multiply
    28,712.11x = 43,076.90 × 14,681.99
  4. Step 4: Simplify right side
    28,712.11x = 632,454,542.83
  5. Step 5: Solve for x
    x = 632,454,542.83/28,712.11
  6. Step 6: Final answer
    x = 22,027.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.