Home / 32,153.54-44,394.63-20,828.66

Finding the Fourth Proportional to 32,153.54, 44,394.63 and 20,828.66

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Solution

The fourth proportional to 32,153.54, 44,394.63 and 20,828.66 is: 28,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,153.54 : 44,394.63 = 20,828.66 : x
  2. Step 2: Convert to fraction form
    32,153.54/44,394.63 = 20,828.66/x
  3. Step 3: Cross multiply
    32,153.54x = 44,394.63 × 20,828.66
  4. Step 4: Simplify right side
    32,153.54x = 924,680,654.10
  5. Step 5: Solve for x
    x = 924,680,654.10/32,153.54
  6. Step 6: Final answer
    x = 28,758.28

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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.