Home / 38,520.84-53,129.28-26,604.12

Finding the Fourth Proportional to 38,520.84, 53,129.28 and 26,604.12

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Solution

The fourth proportional to 38,520.84, 53,129.28 and 26,604.12 is: 36,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,520.84 : 53,129.28 = 26,604.12 : x
  2. Step 2: Convert to fraction form
    38,520.84/53,129.28 = 26,604.12/x
  3. Step 3: Cross multiply
    38,520.84x = 53,129.28 × 26,604.12
  4. Step 4: Simplify right side
    38,520.84x = 1,413,457,740.63
  5. Step 5: Solve for x
    x = 1,413,457,740.63/38,520.84
  6. Step 6: Final answer
    x = 36,693.33

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Half scale
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Similar ratio
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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.