Home / 20,698.16-28,562.69-11,266.52

Finding the Fourth Proportional to 20,698.16, 28,562.69 and 11,266.52

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Solution

The fourth proportional to 20,698.16, 28,562.69 and 11,266.52 is: 15,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698.16 : 28,562.69 = 11,266.52 : x
  2. Step 2: Convert to fraction form
    20,698.16/28,562.69 = 11,266.52/x
  3. Step 3: Cross multiply
    20,698.16x = 28,562.69 × 11,266.52
  4. Step 4: Simplify right side
    20,698.16x = 321,801,918.99
  5. Step 5: Solve for x
    x = 321,801,918.99/20,698.16
  6. Step 6: Final answer
    x = 15,547.37

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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.