Home / 32,680.80-45,100.14-18,533.40

Finding the Fourth Proportional to 32,680.80, 45,100.14 and 18,533.40

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Solution

The fourth proportional to 32,680.80, 45,100.14 and 18,533.40 is: 25,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,680.80 : 45,100.14 = 18,533.40 : x
  2. Step 2: Convert to fraction form
    32,680.80/45,100.14 = 18,533.40/x
  3. Step 3: Cross multiply
    32,680.80x = 45,100.14 × 18,533.40
  4. Step 4: Simplify right side
    32,680.80x = 835,858,934.68
  5. Step 5: Solve for x
    x = 835,858,934.68/32,680.80
  6. Step 6: Final answer
    x = 25,576.45

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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.