Home / 19,393.51-29,091.95-5,353.55

Finding the Fourth Proportional to 19,393.51, 29,091.95 and 5,353.55

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Solution

The fourth proportional to 19,393.51, 29,091.95 and 5,353.55 is: 8,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.51 : 29,091.95 = 5,353.55 : x
  2. Step 2: Convert to fraction form
    19,393.51/29,091.95 = 5,353.55/x
  3. Step 3: Cross multiply
    19,393.51x = 29,091.95 × 5,353.55
  4. Step 4: Simplify right side
    19,393.51x = 155,745,036.70
  5. Step 5: Solve for x
    x = 155,745,036.70/19,393.51
  6. Step 6: Final answer
    x = 8,030.78

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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.