Home / 36,291.95-54,445.71-12,600.25

Finding the Fourth Proportional to 36,291.95, 54,445.71 and 12,600.25

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Solution

The fourth proportional to 36,291.95, 54,445.71 and 12,600.25 is: 18,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291.95 : 54,445.71 = 12,600.25 : x
  2. Step 2: Convert to fraction form
    36,291.95/54,445.71 = 12,600.25/x
  3. Step 3: Cross multiply
    36,291.95x = 54,445.71 × 12,600.25
  4. Step 4: Simplify right side
    36,291.95x = 686,029,421.31
  5. Step 5: Solve for x
    x = 686,029,421.31/36,291.95
  6. Step 6: Final answer
    x = 18,903.07

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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.