Home / 13,752.96-20,623.04-4,987.52

Finding the Fourth Proportional to 13,752.96, 20,623.04 and 4,987.52

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Solution

The fourth proportional to 13,752.96, 20,623.04 and 4,987.52 is: 7,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.96 : 20,623.04 = 4,987.52 : x
  2. Step 2: Convert to fraction form
    13,752.96/20,623.04 = 4,987.52/x
  3. Step 3: Cross multiply
    13,752.96x = 20,623.04 × 4,987.52
  4. Step 4: Simplify right side
    13,752.96x = 102,857,824.46
  5. Step 5: Solve for x
    x = 102,857,824.46/13,752.96
  6. Step 6: Final answer
    x = 7,478.96

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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.