Home / 32,140.07-44,353.76-18,520.62

Finding the Fourth Proportional to 32,140.07, 44,353.76 and 18,520.62

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Solution

The fourth proportional to 32,140.07, 44,353.76 and 18,520.62 is: 25,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,140.07 : 44,353.76 = 18,520.62 : x
  2. Step 2: Convert to fraction form
    32,140.07/44,353.76 = 18,520.62/x
  3. Step 3: Cross multiply
    32,140.07x = 44,353.76 × 18,520.62
  4. Step 4: Simplify right side
    32,140.07x = 821,459,041.93
  5. Step 5: Solve for x
    x = 821,459,041.93/32,140.07
  6. Step 6: Final answer
    x = 25,558.72

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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.