Home / 15,271.18-22,903.18-8,610.55

Finding the Fourth Proportional to 15,271.18, 22,903.18 and 8,610.55

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Solution

The fourth proportional to 15,271.18, 22,903.18 and 8,610.55 is: 12,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271.18 : 22,903.18 = 8,610.55 : x
  2. Step 2: Convert to fraction form
    15,271.18/22,903.18 = 8,610.55/x
  3. Step 3: Cross multiply
    15,271.18x = 22,903.18 × 8,610.55
  4. Step 4: Simplify right side
    15,271.18x = 197,208,976.55
  5. Step 5: Solve for x
    x = 197,208,976.55/15,271.18
  6. Step 6: Final answer
    x = 12,913.80

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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.