Home / 19,294.11-26,594.10-12,918.42

Finding the Fourth Proportional to 19,294.11, 26,594.10 and 12,918.42

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Solution

The fourth proportional to 19,294.11, 26,594.10 and 12,918.42 is: 17,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.11 : 26,594.10 = 12,918.42 : x
  2. Step 2: Convert to fraction form
    19,294.11/26,594.10 = 12,918.42/x
  3. Step 3: Cross multiply
    19,294.11x = 26,594.10 × 12,918.42
  4. Step 4: Simplify right side
    19,294.11x = 343,553,753.32
  5. Step 5: Solve for x
    x = 343,553,753.32/19,294.11
  6. Step 6: Final answer
    x = 17,806.15

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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.