Home / 38,191.81-57,283.47-11,894.35

Finding the Fourth Proportional to 38,191.81, 57,283.47 and 11,894.35

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Solution

The fourth proportional to 38,191.81, 57,283.47 and 11,894.35 is: 17,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191.81 : 57,283.47 = 11,894.35 : x
  2. Step 2: Convert to fraction form
    38,191.81/57,283.47 = 11,894.35/x
  3. Step 3: Cross multiply
    38,191.81x = 57,283.47 × 11,894.35
  4. Step 4: Simplify right side
    38,191.81x = 681,349,641.39
  5. Step 5: Solve for x
    x = 681,349,641.39/38,191.81
  6. Step 6: Final answer
    x = 17,840.20

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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.