Home / 19,876.89-27,429.54-10,924.39

Finding the Fourth Proportional to 19,876.89, 27,429.54 and 10,924.39

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Solution

The fourth proportional to 19,876.89, 27,429.54 and 10,924.39 is: 15,075.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.89 : 27,429.54 = 10,924.39 : x
  2. Step 2: Convert to fraction form
    19,876.89/27,429.54 = 10,924.39/x
  3. Step 3: Cross multiply
    19,876.89x = 27,429.54 × 10,924.39
  4. Step 4: Simplify right side
    19,876.89x = 299,650,992.48
  5. Step 5: Solve for x
    x = 299,650,992.48/19,876.89
  6. Step 6: Final answer
    x = 15,075.35

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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.