Home / 19,862.61-27,410.60-10,788.15

Finding the Fourth Proportional to 19,862.61, 27,410.60 and 10,788.15

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Solution

The fourth proportional to 19,862.61, 27,410.60 and 10,788.15 is: 14,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.61 : 27,410.60 = 10,788.15 : x
  2. Step 2: Convert to fraction form
    19,862.61/27,410.60 = 10,788.15/x
  3. Step 3: Cross multiply
    19,862.61x = 27,410.60 × 10,788.15
  4. Step 4: Simplify right side
    19,862.61x = 295,709,473.40
  5. Step 5: Solve for x
    x = 295,709,473.40/19,862.61
  6. Step 6: Final answer
    x = 14,887.75

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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.