Home / 15,948.23-22,008.14-8,680.01

Finding the Fourth Proportional to 15,948.23, 22,008.14 and 8,680.01

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Solution

The fourth proportional to 15,948.23, 22,008.14 and 8,680.01 is: 11,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.23 : 22,008.14 = 8,680.01 : x
  2. Step 2: Convert to fraction form
    15,948.23/22,008.14 = 8,680.01/x
  3. Step 3: Cross multiply
    15,948.23x = 22,008.14 × 8,680.01
  4. Step 4: Simplify right side
    15,948.23x = 191,030,878.19
  5. Step 5: Solve for x
    x = 191,030,878.19/15,948.23
  6. Step 6: Final answer
    x = 11,978.19

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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.