Home / 15,511.20-23,266.35-4,981.14

Finding the Fourth Proportional to 15,511.20, 23,266.35 and 4,981.14

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Solution

The fourth proportional to 15,511.20, 23,266.35 and 4,981.14 is: 7,471.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.20 : 23,266.35 = 4,981.14 : x
  2. Step 2: Convert to fraction form
    15,511.20/23,266.35 = 4,981.14/x
  3. Step 3: Cross multiply
    15,511.20x = 23,266.35 × 4,981.14
  4. Step 4: Simplify right side
    15,511.20x = 115,892,946.64
  5. Step 5: Solve for x
    x = 115,892,946.64/15,511.20
  6. Step 6: Final answer
    x = 7,471.57

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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.