Home / 15,013.76-22,416.64-14,080.64

Finding the Fourth Proportional to 15,013.76, 22,416.64 and 14,080.64

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Solution

The fourth proportional to 15,013.76, 22,416.64 and 14,080.64 is: 21,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013.76 : 22,416.64 = 14,080.64 : x
  2. Step 2: Convert to fraction form
    15,013.76/22,416.64 = 14,080.64/x
  3. Step 3: Cross multiply
    15,013.76x = 22,416.64 × 14,080.64
  4. Step 4: Simplify right side
    15,013.76x = 315,640,637.85
  5. Step 5: Solve for x
    x = 315,640,637.85/15,013.76
  6. Step 6: Final answer
    x = 21,023.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.