Home / 32,988.78-45,513.18-18,646.92

Finding the Fourth Proportional to 32,988.78, 45,513.18 and 18,646.92

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Solution

The fourth proportional to 32,988.78, 45,513.18 and 18,646.92 is: 25,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,988.78 : 45,513.18 = 18,646.92 : x
  2. Step 2: Convert to fraction form
    32,988.78/45,513.18 = 18,646.92/x
  3. Step 3: Cross multiply
    32,988.78x = 45,513.18 × 18,646.92
  4. Step 4: Simplify right side
    32,988.78x = 848,680,626.41
  5. Step 5: Solve for x
    x = 848,680,626.41/32,988.78
  6. Step 6: Final answer
    x = 25,726.34

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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.