Home / 15,536.16-21,423.36-11,550.72

Finding the Fourth Proportional to 15,536.16, 21,423.36 and 11,550.72

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Solution

The fourth proportional to 15,536.16, 21,423.36 and 11,550.72 is: 15,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.16 : 21,423.36 = 11,550.72 : x
  2. Step 2: Convert to fraction form
    15,536.16/21,423.36 = 11,550.72/x
  3. Step 3: Cross multiply
    15,536.16x = 21,423.36 × 11,550.72
  4. Step 4: Simplify right side
    15,536.16x = 247,455,232.82
  5. Step 5: Solve for x
    x = 247,455,232.82/15,536.16
  6. Step 6: Final answer
    x = 15,927.70

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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.