Home / 15,271.03-22,802.10-13,679.48

Finding the Fourth Proportional to 15,271.03, 22,802.10 and 13,679.48

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Solution

The fourth proportional to 15,271.03, 22,802.10 and 13,679.48 is: 20,425.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271.03 : 22,802.10 = 13,679.48 : x
  2. Step 2: Convert to fraction form
    15,271.03/22,802.10 = 13,679.48/x
  3. Step 3: Cross multiply
    15,271.03x = 22,802.10 × 13,679.48
  4. Step 4: Simplify right side
    15,271.03x = 311,920,842.41
  5. Step 5: Solve for x
    x = 311,920,842.41/15,271.03
  6. Step 6: Final answer
    x = 20,425.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.