Home / 23,560.47-35,345.94-7,770.40

Finding the Fourth Proportional to 23,560.47, 35,345.94 and 7,770.40

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Solution

The fourth proportional to 23,560.47, 35,345.94 and 7,770.40 is: 11,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,560.47 : 35,345.94 = 7,770.40 : x
  2. Step 2: Convert to fraction form
    23,560.47/35,345.94 = 7,770.40/x
  3. Step 3: Cross multiply
    23,560.47x = 35,345.94 × 7,770.40
  4. Step 4: Simplify right side
    23,560.47x = 274,651,974.67
  5. Step 5: Solve for x
    x = 274,651,974.67/23,560.47
  6. Step 6: Final answer
    x = 11,657.32

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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.