Home / 15,420.06-23,113.71-8,017.11

Finding the Fourth Proportional to 15,420.06, 23,113.71 and 8,017.11

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Solution

The fourth proportional to 15,420.06, 23,113.71 and 8,017.11 is: 12,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420.06 : 23,113.71 = 8,017.11 : x
  2. Step 2: Convert to fraction form
    15,420.06/23,113.71 = 8,017.11/x
  3. Step 3: Cross multiply
    15,420.06x = 23,113.71 × 8,017.11
  4. Step 4: Simplify right side
    15,420.06x = 185,305,155.58
  5. Step 5: Solve for x
    x = 185,305,155.58/15,420.06
  6. Step 6: Final answer
    x = 12,017.15

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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.