Home / 32,990.13-45,527.27-18,650.50

Finding the Fourth Proportional to 32,990.13, 45,527.27 and 18,650.50

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Solution

The fourth proportional to 32,990.13, 45,527.27 and 18,650.50 is: 25,738.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,990.13 : 45,527.27 = 18,650.50 : x
  2. Step 2: Convert to fraction form
    32,990.13/45,527.27 = 18,650.50/x
  3. Step 3: Cross multiply
    32,990.13x = 45,527.27 × 18,650.50
  4. Step 4: Simplify right side
    32,990.13x = 849,106,287.09
  5. Step 5: Solve for x
    x = 849,106,287.09/32,990.13
  6. Step 6: Final answer
    x = 25,738.19

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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.