Home / 15,048.42-20,770.29-14,345.34

Finding the Fourth Proportional to 15,048.42, 20,770.29 and 14,345.34

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Solution

The fourth proportional to 15,048.42, 20,770.29 and 14,345.34 is: 19,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048.42 : 20,770.29 = 14,345.34 : x
  2. Step 2: Convert to fraction form
    15,048.42/20,770.29 = 14,345.34/x
  3. Step 3: Cross multiply
    15,048.42x = 20,770.29 × 14,345.34
  4. Step 4: Simplify right side
    15,048.42x = 297,956,871.95
  5. Step 5: Solve for x
    x = 297,956,871.95/15,048.42
  6. Step 6: Final answer
    x = 19,799.88

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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.