Home / 19,158.39-26,438.32-10,774.89

Finding the Fourth Proportional to 19,158.39, 26,438.32 and 10,774.89

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Solution

The fourth proportional to 19,158.39, 26,438.32 and 10,774.89 is: 14,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.39 : 26,438.32 = 10,774.89 : x
  2. Step 2: Convert to fraction form
    19,158.39/26,438.32 = 10,774.89/x
  3. Step 3: Cross multiply
    19,158.39x = 26,438.32 × 10,774.89
  4. Step 4: Simplify right side
    19,158.39x = 284,869,989.78
  5. Step 5: Solve for x
    x = 284,869,989.78/19,158.39
  6. Step 6: Final answer
    x = 14,869.20

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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.