Home / 38,365.40-57,551.47-11,717.40

Finding the Fourth Proportional to 38,365.40, 57,551.47 and 11,717.40

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Solution

The fourth proportional to 38,365.40, 57,551.47 and 11,717.40 is: 17,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365.40 : 57,551.47 = 11,717.40 : x
  2. Step 2: Convert to fraction form
    38,365.40/57,551.47 = 11,717.40/x
  3. Step 3: Cross multiply
    38,365.40x = 57,551.47 × 11,717.40
  4. Step 4: Simplify right side
    38,365.40x = 674,353,823.02
  5. Step 5: Solve for x
    x = 674,353,823.02/38,365.40
  6. Step 6: Final answer
    x = 17,577.14

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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.