Home / 52,819.06-79,228.76-13,376.16

Finding the Fourth Proportional to 52,819.06, 79,228.76 and 13,376.16

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Solution

The fourth proportional to 52,819.06, 79,228.76 and 13,376.16 is: 20,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,819.06 : 79,228.76 = 13,376.16 : x
  2. Step 2: Convert to fraction form
    52,819.06/79,228.76 = 13,376.16/x
  3. Step 3: Cross multiply
    52,819.06x = 79,228.76 × 13,376.16
  4. Step 4: Simplify right side
    52,819.06x = 1,059,776,570.36
  5. Step 5: Solve for x
    x = 1,059,776,570.36/52,819.06
  6. Step 6: Final answer
    x = 20,064.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.