Home / 29,531.19-40,742.82-18,926.67

Finding the Fourth Proportional to 29,531.19, 40,742.82 and 18,926.67

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Solution

The fourth proportional to 29,531.19, 40,742.82 and 18,926.67 is: 26,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.19 : 40,742.82 = 18,926.67 : x
  2. Step 2: Convert to fraction form
    29,531.19/40,742.82 = 18,926.67/x
  3. Step 3: Cross multiply
    29,531.19x = 40,742.82 × 18,926.67
  4. Step 4: Simplify right side
    29,531.19x = 771,125,909.01
  5. Step 5: Solve for x
    x = 771,125,909.01/29,531.19
  6. Step 6: Final answer
    x = 26,112.25

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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.