Home / 27,148.05-40,677.06-19,211.22

Finding the Fourth Proportional to 27,148.05, 40,677.06 and 19,211.22

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Solution

The fourth proportional to 27,148.05, 40,677.06 and 19,211.22 is: 28,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.05 : 40,677.06 = 19,211.22 : x
  2. Step 2: Convert to fraction form
    27,148.05/40,677.06 = 19,211.22/x
  3. Step 3: Cross multiply
    27,148.05x = 40,677.06 × 19,211.22
  4. Step 4: Simplify right side
    27,148.05x = 781,455,948.61
  5. Step 5: Solve for x
    x = 781,455,948.61/27,148.05
  6. Step 6: Final answer
    x = 28,784.98

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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.