Home / 15,232.23-21,017.07-8,856.72

Finding the Fourth Proportional to 15,232.23, 21,017.07 and 8,856.72

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Solution

The fourth proportional to 15,232.23, 21,017.07 and 8,856.72 is: 12,220.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232.23 : 21,017.07 = 8,856.72 : x
  2. Step 2: Convert to fraction form
    15,232.23/21,017.07 = 8,856.72/x
  3. Step 3: Cross multiply
    15,232.23x = 21,017.07 × 8,856.72
  4. Step 4: Simplify right side
    15,232.23x = 186,142,304.21
  5. Step 5: Solve for x
    x = 186,142,304.21/15,232.23
  6. Step 6: Final answer
    x = 12,220.29

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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.