Home / 25,031.04-34,540.98-13,698.06

Finding the Fourth Proportional to 25,031.04, 34,540.98 and 13,698.06

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Solution

The fourth proportional to 25,031.04, 34,540.98 and 13,698.06 is: 18,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,031.04 : 34,540.98 = 13,698.06 : x
  2. Step 2: Convert to fraction form
    25,031.04/34,540.98 = 13,698.06/x
  3. Step 3: Cross multiply
    25,031.04x = 34,540.98 × 13,698.06
  4. Step 4: Simplify right side
    25,031.04x = 473,144,416.50
  5. Step 5: Solve for x
    x = 473,144,416.50/25,031.04
  6. Step 6: Final answer
    x = 18,902.31

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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.