Home / 15,140.45-22,702.43-5,277.08

Finding the Fourth Proportional to 15,140.45, 22,702.43 and 5,277.08

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Solution

The fourth proportional to 15,140.45, 22,702.43 and 5,277.08 is: 7,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.45 : 22,702.43 = 5,277.08 : x
  2. Step 2: Convert to fraction form
    15,140.45/22,702.43 = 5,277.08/x
  3. Step 3: Cross multiply
    15,140.45x = 22,702.43 × 5,277.08
  4. Step 4: Simplify right side
    15,140.45x = 119,802,399.41
  5. Step 5: Solve for x
    x = 119,802,399.41/15,140.45
  6. Step 6: Final answer
    x = 7,912.74

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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.