Home / 15,017.61-22,528.49-5,155.60

Finding the Fourth Proportional to 15,017.61, 22,528.49 and 5,155.60

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Solution

The fourth proportional to 15,017.61, 22,528.49 and 5,155.60 is: 7,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017.61 : 22,528.49 = 5,155.60 : x
  2. Step 2: Convert to fraction form
    15,017.61/22,528.49 = 5,155.60/x
  3. Step 3: Cross multiply
    15,017.61x = 22,528.49 × 5,155.60
  4. Step 4: Simplify right side
    15,017.61x = 116,147,883.04
  5. Step 5: Solve for x
    x = 116,147,883.04/15,017.61
  6. Step 6: Final answer
    x = 7,734.11

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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.