Home / 19,254.60-26,557.13-12,174.20

Finding the Fourth Proportional to 19,254.60, 26,557.13 and 12,174.20

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Solution

The fourth proportional to 19,254.60, 26,557.13 and 12,174.20 is: 16,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.60 : 26,557.13 = 12,174.20 : x
  2. Step 2: Convert to fraction form
    19,254.60/26,557.13 = 12,174.20/x
  3. Step 3: Cross multiply
    19,254.60x = 26,557.13 × 12,174.20
  4. Step 4: Simplify right side
    19,254.60x = 323,311,618.39
  5. Step 5: Solve for x
    x = 323,311,618.39/19,254.60
  6. Step 6: Final answer
    x = 16,791.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.