Home / 19,139.16-26,408.83-10,641.04

Finding the Fourth Proportional to 19,139.16, 26,408.83 and 10,641.04

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Solution

The fourth proportional to 19,139.16, 26,408.83 and 10,641.04 is: 14,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.16 : 26,408.83 = 10,641.04 : x
  2. Step 2: Convert to fraction form
    19,139.16/26,408.83 = 10,641.04/x
  3. Step 3: Cross multiply
    19,139.16x = 26,408.83 × 10,641.04
  4. Step 4: Simplify right side
    19,139.16x = 281,017,416.38
  5. Step 5: Solve for x
    x = 281,017,416.38/19,139.16
  6. Step 6: Final answer
    x = 14,682.85

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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.