Home / 38,256.30-57,384.45-11,969.10

Finding the Fourth Proportional to 38,256.30, 57,384.45 and 11,969.10

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Solution

The fourth proportional to 38,256.30, 57,384.45 and 11,969.10 is: 17,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,256.30 : 57,384.45 = 11,969.10 : x
  2. Step 2: Convert to fraction form
    38,256.30/57,384.45 = 11,969.10/x
  3. Step 3: Cross multiply
    38,256.30x = 57,384.45 × 11,969.10
  4. Step 4: Simplify right side
    38,256.30x = 686,840,220.50
  5. Step 5: Solve for x
    x = 686,840,220.50/38,256.30
  6. Step 6: Final answer
    x = 17,953.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.