Home / 19,515.84-26,932.32-11,132.16

Finding the Fourth Proportional to 19,515.84, 26,932.32 and 11,132.16

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Solution

The fourth proportional to 19,515.84, 26,932.32 and 11,132.16 is: 15,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.84 : 26,932.32 = 11,132.16 : x
  2. Step 2: Convert to fraction form
    19,515.84/26,932.32 = 11,132.16/x
  3. Step 3: Cross multiply
    19,515.84x = 26,932.32 × 11,132.16
  4. Step 4: Simplify right side
    19,515.84x = 299,814,895.41
  5. Step 5: Solve for x
    x = 299,814,895.41/19,515.84
  6. Step 6: Final answer
    x = 15,362.64

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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.