Home / 19,166.18-26,426.69-13,119.33

Finding the Fourth Proportional to 19,166.18, 26,426.69 and 13,119.33

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Solution

The fourth proportional to 19,166.18, 26,426.69 and 13,119.33 is: 18,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.18 : 26,426.69 = 13,119.33 : x
  2. Step 2: Convert to fraction form
    19,166.18/26,426.69 = 13,119.33/x
  3. Step 3: Cross multiply
    19,166.18x = 26,426.69 × 13,119.33
  4. Step 4: Simplify right side
    19,166.18x = 346,700,401.32
  5. Step 5: Solve for x
    x = 346,700,401.32/19,166.18
  6. Step 6: Final answer
    x = 18,089.18

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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.