Home / 32,719.68-45,153-18,574.56

Finding the Fourth Proportional to 32,719.68, 45,153 and 18,574.56

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Solution

The fourth proportional to 32,719.68, 45,153 and 18,574.56 is: 25,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,719.68 : 45,153 = 18,574.56 : x
  2. Step 2: Convert to fraction form
    32,719.68/45,153 = 18,574.56/x
  3. Step 3: Cross multiply
    32,719.68x = 45,153 × 18,574.56
  4. Step 4: Simplify right side
    32,719.68x = 838,697,107.68
  5. Step 5: Solve for x
    x = 838,697,107.68/32,719.68
  6. Step 6: Final answer
    x = 25,632.80

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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.