Home / 23,140.49-34,703.55-8,347.48

Finding the Fourth Proportional to 23,140.49, 34,703.55 and 8,347.48

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Solution

The fourth proportional to 23,140.49, 34,703.55 and 8,347.48 is: 12,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.49 : 34,703.55 = 8,347.48 : x
  2. Step 2: Convert to fraction form
    23,140.49/34,703.55 = 8,347.48/x
  3. Step 3: Cross multiply
    23,140.49x = 34,703.55 × 8,347.48
  4. Step 4: Simplify right side
    23,140.49x = 289,687,189.55
  5. Step 5: Solve for x
    x = 289,687,189.55/23,140.49
  6. Step 6: Final answer
    x = 12,518.63

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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.