Home / 32,686.68-45,106.28-18,539.22

Finding the Fourth Proportional to 32,686.68, 45,106.28 and 18,539.22

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Solution

The fourth proportional to 32,686.68, 45,106.28 and 18,539.22 is: 25,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,686.68 : 45,106.28 = 18,539.22 : x
  2. Step 2: Convert to fraction form
    32,686.68/45,106.28 = 18,539.22/x
  3. Step 3: Cross multiply
    32,686.68x = 45,106.28 × 18,539.22
  4. Step 4: Simplify right side
    32,686.68x = 836,235,248.30
  5. Step 5: Solve for x
    x = 836,235,248.30/32,686.68
  6. Step 6: Final answer
    x = 25,583.36

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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.