Home / 19,603.95-29,407.51-11,760.06

Finding the Fourth Proportional to 19,603.95, 29,407.51 and 11,760.06

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Solution

The fourth proportional to 19,603.95, 29,407.51 and 11,760.06 is: 17,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.95 : 29,407.51 = 11,760.06 : x
  2. Step 2: Convert to fraction form
    19,603.95/29,407.51 = 11,760.06/x
  3. Step 3: Cross multiply
    19,603.95x = 29,407.51 × 11,760.06
  4. Step 4: Simplify right side
    19,603.95x = 345,833,986.47
  5. Step 5: Solve for x
    x = 345,833,986.47/19,603.95
  6. Step 6: Final answer
    x = 17,641.04

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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.