Home / 25,203.51-34,780.14-13,873.05

Finding the Fourth Proportional to 25,203.51, 34,780.14 and 13,873.05

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Solution

The fourth proportional to 25,203.51, 34,780.14 and 13,873.05 is: 19,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203.51 : 34,780.14 = 13,873.05 : x
  2. Step 2: Convert to fraction form
    25,203.51/34,780.14 = 13,873.05/x
  3. Step 3: Cross multiply
    25,203.51x = 34,780.14 × 13,873.05
  4. Step 4: Simplify right side
    25,203.51x = 482,506,621.23
  5. Step 5: Solve for x
    x = 482,506,621.23/25,203.51
  6. Step 6: Final answer
    x = 19,144.42

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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.