Home / 39,560.70-59,341.65-12,906.57

Finding the Fourth Proportional to 39,560.70, 59,341.65 and 12,906.57

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Solution

The fourth proportional to 39,560.70, 59,341.65 and 12,906.57 is: 19,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,560.70 : 59,341.65 = 12,906.57 : x
  2. Step 2: Convert to fraction form
    39,560.70/59,341.65 = 12,906.57/x
  3. Step 3: Cross multiply
    39,560.70x = 59,341.65 × 12,906.57
  4. Step 4: Simplify right side
    39,560.70x = 765,897,159.64
  5. Step 5: Solve for x
    x = 765,897,159.64/39,560.70
  6. Step 6: Final answer
    x = 19,360.05

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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.