Home / 32,428.05-44,745.56-18,278.16

Finding the Fourth Proportional to 32,428.05, 44,745.56 and 18,278.16

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Solution

The fourth proportional to 32,428.05, 44,745.56 and 18,278.16 is: 25,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428.05 : 44,745.56 = 18,278.16 : x
  2. Step 2: Convert to fraction form
    32,428.05/44,745.56 = 18,278.16/x
  3. Step 3: Cross multiply
    32,428.05x = 44,745.56 × 18,278.16
  4. Step 4: Simplify right side
    32,428.05x = 817,866,417.14
  5. Step 5: Solve for x
    x = 817,866,417.14/32,428.05
  6. Step 6: Final answer
    x = 25,220.96

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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.