Home / 34,276.40-51,408.12-14,555.60

Finding the Fourth Proportional to 34,276.40, 51,408.12 and 14,555.60

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Solution

The fourth proportional to 34,276.40, 51,408.12 and 14,555.60 is: 21,830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,276.40 : 51,408.12 = 14,555.60 : x
  2. Step 2: Convert to fraction form
    34,276.40/51,408.12 = 14,555.60/x
  3. Step 3: Cross multiply
    34,276.40x = 51,408.12 × 14,555.60
  4. Step 4: Simplify right side
    34,276.40x = 748,276,031.47
  5. Step 5: Solve for x
    x = 748,276,031.47/34,276.40
  6. Step 6: Final answer
    x = 21,830.65

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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.