Home / 19,158.26-26,438.15-10,774.76

Finding the Fourth Proportional to 19,158.26, 26,438.15 and 10,774.76

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Solution

The fourth proportional to 19,158.26, 26,438.15 and 10,774.76 is: 14,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.26 : 26,438.15 = 10,774.76 : x
  2. Step 2: Convert to fraction form
    19,158.26/26,438.15 = 10,774.76/x
  3. Step 3: Cross multiply
    19,158.26x = 26,438.15 × 10,774.76
  4. Step 4: Simplify right side
    19,158.26x = 284,864,667.22
  5. Step 5: Solve for x
    x = 284,864,667.22/19,158.26
  6. Step 6: Final answer
    x = 14,869.03

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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.