Home / 14,253.60-21,348.48-8,242.32

Finding the Fourth Proportional to 14,253.60, 21,348.48 and 8,242.32

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Solution

The fourth proportional to 14,253.60, 21,348.48 and 8,242.32 is: 12,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.60 : 21,348.48 = 8,242.32 : x
  2. Step 2: Convert to fraction form
    14,253.60/21,348.48 = 8,242.32/x
  3. Step 3: Cross multiply
    14,253.60x = 21,348.48 × 8,242.32
  4. Step 4: Simplify right side
    14,253.60x = 175,961,003.67
  5. Step 5: Solve for x
    x = 175,961,003.67/14,253.60
  6. Step 6: Final answer
    x = 12,345.02

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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.