Home / 15,336.90-23,002.20-4,240.80

Finding the Fourth Proportional to 15,336.90, 23,002.20 and 4,240.80

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Solution

The fourth proportional to 15,336.90, 23,002.20 and 4,240.80 is: 6,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,336.90 : 23,002.20 = 4,240.80 : x
  2. Step 2: Convert to fraction form
    15,336.90/23,002.20 = 4,240.80/x
  3. Step 3: Cross multiply
    15,336.90x = 23,002.20 × 4,240.80
  4. Step 4: Simplify right side
    15,336.90x = 97,547,729.76
  5. Step 5: Solve for x
    x = 97,547,729.76/15,336.90
  6. Step 6: Final answer
    x = 6,360.33

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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.