Home / 19,225.31-26,526.40-11,671.45

Finding the Fourth Proportional to 19,225.31, 26,526.40 and 11,671.45

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Solution

The fourth proportional to 19,225.31, 26,526.40 and 11,671.45 is: 16,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225.31 : 26,526.40 = 11,671.45 : x
  2. Step 2: Convert to fraction form
    19,225.31/26,526.40 = 11,671.45/x
  3. Step 3: Cross multiply
    19,225.31x = 26,526.40 × 11,671.45
  4. Step 4: Simplify right side
    19,225.31x = 309,601,551.28
  5. Step 5: Solve for x
    x = 309,601,551.28/19,225.31
  6. Step 6: Final answer
    x = 16,103.85

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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.