Home / 15,970.96-22,021.04-10,937.60

Finding the Fourth Proportional to 15,970.96, 22,021.04 and 10,937.60

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Solution

The fourth proportional to 15,970.96, 22,021.04 and 10,937.60 is: 15,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,970.96 : 22,021.04 = 10,937.60 : x
  2. Step 2: Convert to fraction form
    15,970.96/22,021.04 = 10,937.60/x
  3. Step 3: Cross multiply
    15,970.96x = 22,021.04 × 10,937.60
  4. Step 4: Simplify right side
    15,970.96x = 240,857,327.10
  5. Step 5: Solve for x
    x = 240,857,327.10/15,970.96
  6. Step 6: Final answer
    x = 15,080.95

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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.