Home / 32,828.88-45,302.28-18,680.40

Finding the Fourth Proportional to 32,828.88, 45,302.28 and 18,680.40

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Solution

The fourth proportional to 32,828.88, 45,302.28 and 18,680.40 is: 25,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,828.88 : 45,302.28 = 18,680.40 : x
  2. Step 2: Convert to fraction form
    32,828.88/45,302.28 = 18,680.40/x
  3. Step 3: Cross multiply
    32,828.88x = 45,302.28 × 18,680.40
  4. Step 4: Simplify right side
    32,828.88x = 846,264,711.31
  5. Step 5: Solve for x
    x = 846,264,711.31/32,828.88
  6. Step 6: Final answer
    x = 25,778.06

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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.