Home / 15,373.77-21,216.84-11,590.26

Finding the Fourth Proportional to 15,373.77, 21,216.84 and 11,590.26

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Solution

The fourth proportional to 15,373.77, 21,216.84 and 11,590.26 is: 15,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373.77 : 21,216.84 = 11,590.26 : x
  2. Step 2: Convert to fraction form
    15,373.77/21,216.84 = 11,590.26/x
  3. Step 3: Cross multiply
    15,373.77x = 21,216.84 × 11,590.26
  4. Step 4: Simplify right side
    15,373.77x = 245,908,691.98
  5. Step 5: Solve for x
    x = 245,908,691.98/15,373.77
  6. Step 6: Final answer
    x = 15,995.34

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Double scale
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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.