Home / 13,032.24-17,982.96-7,726.08

Finding the Fourth Proportional to 13,032.24, 17,982.96 and 7,726.08

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Solution

The fourth proportional to 13,032.24, 17,982.96 and 7,726.08 is: 10,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.24 : 17,982.96 = 7,726.08 : x
  2. Step 2: Convert to fraction form
    13,032.24/17,982.96 = 7,726.08/x
  3. Step 3: Cross multiply
    13,032.24x = 17,982.96 × 7,726.08
  4. Step 4: Simplify right side
    13,032.24x = 138,937,787.60
  5. Step 5: Solve for x
    x = 138,937,787.60/13,032.24
  6. Step 6: Final answer
    x = 10,661.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.