Home / 17,607.05-26,412.30-5,127.20

Finding the Fourth Proportional to 17,607.05, 26,412.30 and 5,127.20

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Solution

The fourth proportional to 17,607.05, 26,412.30 and 5,127.20 is: 7,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,607.05 : 26,412.30 = 5,127.20 : x
  2. Step 2: Convert to fraction form
    17,607.05/26,412.30 = 5,127.20/x
  3. Step 3: Cross multiply
    17,607.05x = 26,412.30 × 5,127.20
  4. Step 4: Simplify right side
    17,607.05x = 135,421,012.50
  5. Step 5: Solve for x
    x = 135,421,012.50/17,607.05
  6. Step 6: Final answer
    x = 7,691.30

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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.