Home / 19,486.16-26,891.16-11,528.18

Finding the Fourth Proportional to 19,486.16, 26,891.16 and 11,528.18

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Solution

The fourth proportional to 19,486.16, 26,891.16 and 11,528.18 is: 15,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.16 : 26,891.16 = 11,528.18 : x
  2. Step 2: Convert to fraction form
    19,486.16/26,891.16 = 11,528.18/x
  3. Step 3: Cross multiply
    19,486.16x = 26,891.16 × 11,528.18
  4. Step 4: Simplify right side
    19,486.16x = 310,006,132.89
  5. Step 5: Solve for x
    x = 310,006,132.89/19,486.16
  6. Step 6: Final answer
    x = 15,909.04

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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.