Home / 14,742.40-22,113.60-4,883.20

Finding the Fourth Proportional to 14,742.40, 22,113.60 and 4,883.20

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Solution

The fourth proportional to 14,742.40, 22,113.60 and 4,883.20 is: 7,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.40 : 22,113.60 = 4,883.20 : x
  2. Step 2: Convert to fraction form
    14,742.40/22,113.60 = 4,883.20/x
  3. Step 3: Cross multiply
    14,742.40x = 22,113.60 × 4,883.20
  4. Step 4: Simplify right side
    14,742.40x = 107,985,131.52
  5. Step 5: Solve for x
    x = 107,985,131.52/14,742.40
  6. Step 6: Final answer
    x = 7,324.80

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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.