Home / 19,091.13-28,637.23-5,240.13

Finding the Fourth Proportional to 19,091.13, 28,637.23 and 5,240.13

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Solution

The fourth proportional to 19,091.13, 28,637.23 and 5,240.13 is: 7,860.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.13 : 28,637.23 = 5,240.13 : x
  2. Step 2: Convert to fraction form
    19,091.13/28,637.23 = 5,240.13/x
  3. Step 3: Cross multiply
    19,091.13x = 28,637.23 × 5,240.13
  4. Step 4: Simplify right side
    19,091.13x = 150,062,808.04
  5. Step 5: Solve for x
    x = 150,062,808.04/19,091.13
  6. Step 6: Final answer
    x = 7,860.34

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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.