Home / 38,598.51-57,905.07-13,291.29

Finding the Fourth Proportional to 38,598.51, 57,905.07 and 13,291.29

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Solution

The fourth proportional to 38,598.51, 57,905.07 and 13,291.29 is: 19,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,598.51 : 57,905.07 = 13,291.29 : x
  2. Step 2: Convert to fraction form
    38,598.51/57,905.07 = 13,291.29/x
  3. Step 3: Cross multiply
    38,598.51x = 57,905.07 × 13,291.29
  4. Step 4: Simplify right side
    38,598.51x = 769,633,077.84
  5. Step 5: Solve for x
    x = 769,633,077.84/38,598.51
  6. Step 6: Final answer
    x = 19,939.45

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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.