Home / 38,588.64-57,883.56-12,315.48

Finding the Fourth Proportional to 38,588.64, 57,883.56 and 12,315.48

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Solution

The fourth proportional to 38,588.64, 57,883.56 and 12,315.48 is: 18,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,588.64 : 57,883.56 = 12,315.48 : x
  2. Step 2: Convert to fraction form
    38,588.64/57,883.56 = 12,315.48/x
  3. Step 3: Cross multiply
    38,588.64x = 57,883.56 × 12,315.48
  4. Step 4: Simplify right side
    38,588.64x = 712,863,825.51
  5. Step 5: Solve for x
    x = 712,863,825.51/38,588.64
  6. Step 6: Final answer
    x = 18,473.41

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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.