Home / 32,874.64-45,362.28-18,725.20

Finding the Fourth Proportional to 32,874.64, 45,362.28 and 18,725.20

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Solution

The fourth proportional to 32,874.64, 45,362.28 and 18,725.20 is: 25,838.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,874.64 : 45,362.28 = 18,725.20 : x
  2. Step 2: Convert to fraction form
    32,874.64/45,362.28 = 18,725.20/x
  3. Step 3: Cross multiply
    32,874.64x = 45,362.28 × 18,725.20
  4. Step 4: Simplify right side
    32,874.64x = 849,417,765.46
  5. Step 5: Solve for x
    x = 849,417,765.46/32,874.64
  6. Step 6: Final answer
    x = 25,838.09

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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.