Home / 32,681.40-45,101.34-18,534.84

Finding the Fourth Proportional to 32,681.40, 45,101.34 and 18,534.84

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Solution

The fourth proportional to 32,681.40, 45,101.34 and 18,534.84 is: 25,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,681.40 : 45,101.34 = 18,534.84 : x
  2. Step 2: Convert to fraction form
    32,681.40/45,101.34 = 18,534.84/x
  3. Step 3: Cross multiply
    32,681.40x = 45,101.34 × 18,534.84
  4. Step 4: Simplify right side
    32,681.40x = 835,946,120.69
  5. Step 5: Solve for x
    x = 835,946,120.69/32,681.40
  6. Step 6: Final answer
    x = 25,578.65

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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.