Home / 17,800.06-26,699.12-5,320.20

Finding the Fourth Proportional to 17,800.06, 26,699.12 and 5,320.20

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Solution

The fourth proportional to 17,800.06, 26,699.12 and 5,320.20 is: 7,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,800.06 : 26,699.12 = 5,320.20 : x
  2. Step 2: Convert to fraction form
    17,800.06/26,699.12 = 5,320.20/x
  3. Step 3: Cross multiply
    17,800.06x = 26,699.12 × 5,320.20
  4. Step 4: Simplify right side
    17,800.06x = 142,044,658.22
  5. Step 5: Solve for x
    x = 142,044,658.22/17,800.06
  6. Step 6: Final answer
    x = 7,980.01

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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.