Home / 22,265.04-30,705.48-15,975.12

Finding the Fourth Proportional to 22,265.04, 30,705.48 and 15,975.12

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Solution

The fourth proportional to 22,265.04, 30,705.48 and 15,975.12 is: 22,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265.04 : 30,705.48 = 15,975.12 : x
  2. Step 2: Convert to fraction form
    22,265.04/30,705.48 = 15,975.12/x
  3. Step 3: Cross multiply
    22,265.04x = 30,705.48 × 15,975.12
  4. Step 4: Simplify right side
    22,265.04x = 490,523,727.66
  5. Step 5: Solve for x
    x = 490,523,727.66/22,265.04
  6. Step 6: Final answer
    x = 22,031.12

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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.