Home / 15,296.06-21,109.66-8,582.34

Finding the Fourth Proportional to 15,296.06, 21,109.66 and 8,582.34

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Solution

The fourth proportional to 15,296.06, 21,109.66 and 8,582.34 is: 11,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296.06 : 21,109.66 = 8,582.34 : x
  2. Step 2: Convert to fraction form
    15,296.06/21,109.66 = 8,582.34/x
  3. Step 3: Cross multiply
    15,296.06x = 21,109.66 × 8,582.34
  4. Step 4: Simplify right side
    15,296.06x = 181,170,279.40
  5. Step 5: Solve for x
    x = 181,170,279.40/15,296.06
  6. Step 6: Final answer
    x = 11,844.24

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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.