Home / 19,143.77-26,412.10-11,587.24

Finding the Fourth Proportional to 19,143.77, 26,412.10 and 11,587.24

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Solution

The fourth proportional to 19,143.77, 26,412.10 and 11,587.24 is: 15,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.77 : 26,412.10 = 11,587.24 : x
  2. Step 2: Convert to fraction form
    19,143.77/26,412.10 = 11,587.24/x
  3. Step 3: Cross multiply
    19,143.77x = 26,412.10 × 11,587.24
  4. Step 4: Simplify right side
    19,143.77x = 306,043,246.61
  5. Step 5: Solve for x
    x = 306,043,246.61/19,143.77
  6. Step 6: Final answer
    x = 15,986.57

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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.