Home / 44,815.16-67,215.54-13,643.12

Finding the Fourth Proportional to 44,815.16, 67,215.54 and 13,643.12

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Solution

The fourth proportional to 44,815.16, 67,215.54 and 13,643.12 is: 20,462.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,815.16 : 67,215.54 = 13,643.12 : x
  2. Step 2: Convert to fraction form
    44,815.16/67,215.54 = 13,643.12/x
  3. Step 3: Cross multiply
    44,815.16x = 67,215.54 × 13,643.12
  4. Step 4: Simplify right side
    44,815.16x = 917,029,678.08
  5. Step 5: Solve for x
    x = 917,029,678.08/44,815.16
  6. Step 6: Final answer
    x = 20,462.49

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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.