Home / 19,876.23-27,429.86-10,924.05

Finding the Fourth Proportional to 19,876.23, 27,429.86 and 10,924.05

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Solution

The fourth proportional to 19,876.23, 27,429.86 and 10,924.05 is: 15,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.23 : 27,429.86 = 10,924.05 : x
  2. Step 2: Convert to fraction form
    19,876.23/27,429.86 = 10,924.05/x
  3. Step 3: Cross multiply
    19,876.23x = 27,429.86 × 10,924.05
  4. Step 4: Simplify right side
    19,876.23x = 299,645,107.51
  5. Step 5: Solve for x
    x = 299,645,107.51/19,876.23
  6. Step 6: Final answer
    x = 15,075.55

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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.