Home / 23,428.19-32,330.28-13,868.57

Finding the Fourth Proportional to 23,428.19, 32,330.28 and 13,868.57

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Solution

The fourth proportional to 23,428.19, 32,330.28 and 13,868.57 is: 19,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.19 : 32,330.28 = 13,868.57 : x
  2. Step 2: Convert to fraction form
    23,428.19/32,330.28 = 13,868.57/x
  3. Step 3: Cross multiply
    23,428.19x = 32,330.28 × 13,868.57
  4. Step 4: Simplify right side
    23,428.19x = 448,374,751.30
  5. Step 5: Solve for x
    x = 448,374,751.30/23,428.19
  6. Step 6: Final answer
    x = 19,138.26

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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.