Home / 32,860.30-45,346.70-18,520.16

Finding the Fourth Proportional to 32,860.30, 45,346.70 and 18,520.16

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Solution

The fourth proportional to 32,860.30, 45,346.70 and 18,520.16 is: 25,557.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,860.30 : 45,346.70 = 18,520.16 : x
  2. Step 2: Convert to fraction form
    32,860.30/45,346.70 = 18,520.16/x
  3. Step 3: Cross multiply
    32,860.30x = 45,346.70 × 18,520.16
  4. Step 4: Simplify right side
    32,860.30x = 839,828,139.47
  5. Step 5: Solve for x
    x = 839,828,139.47/32,860.30
  6. Step 6: Final answer
    x = 25,557.53

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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.