Home / 32,928.12-45,444.60-18,783

Finding the Fourth Proportional to 32,928.12, 45,444.60 and 18,783

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Solution

The fourth proportional to 32,928.12, 45,444.60 and 18,783 is: 25,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,928.12 : 45,444.60 = 18,783 : x
  2. Step 2: Convert to fraction form
    32,928.12/45,444.60 = 18,783/x
  3. Step 3: Cross multiply
    32,928.12x = 45,444.60 × 18,783
  4. Step 4: Simplify right side
    32,928.12x = 853,585,921.80
  5. Step 5: Solve for x
    x = 853,585,921.80/32,928.12
  6. Step 6: Final answer
    x = 25,922.70

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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.