Home / 19,176.39-26,465.21-11,218.11

Finding the Fourth Proportional to 19,176.39, 26,465.21 and 11,218.11

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Solution

The fourth proportional to 19,176.39, 26,465.21 and 11,218.11 is: 15,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.39 : 26,465.21 = 11,218.11 : x
  2. Step 2: Convert to fraction form
    19,176.39/26,465.21 = 11,218.11/x
  3. Step 3: Cross multiply
    19,176.39x = 26,465.21 × 11,218.11
  4. Step 4: Simplify right side
    19,176.39x = 296,889,636.95
  5. Step 5: Solve for x
    x = 296,889,636.95/19,176.39
  6. Step 6: Final answer
    x = 15,482.04

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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.