Home / 14,848.80-20,496.69-10,129.74

Finding the Fourth Proportional to 14,848.80, 20,496.69 and 10,129.74

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Solution

The fourth proportional to 14,848.80, 20,496.69 and 10,129.74 is: 13,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,848.80 : 20,496.69 = 10,129.74 : x
  2. Step 2: Convert to fraction form
    14,848.80/20,496.69 = 10,129.74/x
  3. Step 3: Cross multiply
    14,848.80x = 20,496.69 × 10,129.74
  4. Step 4: Simplify right side
    14,848.80x = 207,626,140.56
  5. Step 5: Solve for x
    x = 207,626,140.56/14,848.80
  6. Step 6: Final answer
    x = 13,982.69

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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.