Home / 48,573.16-72,853.68-13,515.56

Finding the Fourth Proportional to 48,573.16, 72,853.68 and 13,515.56

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Solution

The fourth proportional to 48,573.16, 72,853.68 and 13,515.56 is: 20,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,573.16 : 72,853.68 = 13,515.56 : x
  2. Step 2: Convert to fraction form
    48,573.16/72,853.68 = 13,515.56/x
  3. Step 3: Cross multiply
    48,573.16x = 72,853.68 × 13,515.56
  4. Step 4: Simplify right side
    48,573.16x = 984,658,283.26
  5. Step 5: Solve for x
    x = 984,658,283.26/48,573.16
  6. Step 6: Final answer
    x = 20,271.65

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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.