Home / 15,970.13-23,955.19-7,207.55

Finding the Fourth Proportional to 15,970.13, 23,955.19 and 7,207.55

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Solution

The fourth proportional to 15,970.13, 23,955.19 and 7,207.55 is: 10,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,970.13 : 23,955.19 = 7,207.55 : x
  2. Step 2: Convert to fraction form
    15,970.13/23,955.19 = 7,207.55/x
  3. Step 3: Cross multiply
    15,970.13x = 23,955.19 × 7,207.55
  4. Step 4: Simplify right side
    15,970.13x = 172,658,229.68
  5. Step 5: Solve for x
    x = 172,658,229.68/15,970.13
  6. Step 6: Final answer
    x = 10,811.32

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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.