Home / 19,287.88-26,616.01-10,788.52

Finding the Fourth Proportional to 19,287.88, 26,616.01 and 10,788.52

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Solution

The fourth proportional to 19,287.88, 26,616.01 and 10,788.52 is: 14,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.88 : 26,616.01 = 10,788.52 : x
  2. Step 2: Convert to fraction form
    19,287.88/26,616.01 = 10,788.52/x
  3. Step 3: Cross multiply
    19,287.88x = 26,616.01 × 10,788.52
  4. Step 4: Simplify right side
    19,287.88x = 287,147,302.26
  5. Step 5: Solve for x
    x = 287,147,302.26/19,287.88
  6. Step 6: Final answer
    x = 14,887.45

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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.