Home / 25,040.63-34,556.13-13,710.21

Finding the Fourth Proportional to 25,040.63, 34,556.13 and 13,710.21

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Solution

The fourth proportional to 25,040.63, 34,556.13 and 13,710.21 is: 18,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.63 : 34,556.13 = 13,710.21 : x
  2. Step 2: Convert to fraction form
    25,040.63/34,556.13 = 13,710.21/x
  3. Step 3: Cross multiply
    25,040.63x = 34,556.13 × 13,710.21
  4. Step 4: Simplify right side
    25,040.63x = 473,771,799.09
  5. Step 5: Solve for x
    x = 473,771,799.09/25,040.63
  6. Step 6: Final answer
    x = 18,920.13

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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.