Home / 19,061.72-26,318.02-11,894.44

Finding the Fourth Proportional to 19,061.72, 26,318.02 and 11,894.44

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Solution

The fourth proportional to 19,061.72, 26,318.02 and 11,894.44 is: 16,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,061.72 : 26,318.02 = 11,894.44 : x
  2. Step 2: Convert to fraction form
    19,061.72/26,318.02 = 11,894.44/x
  3. Step 3: Cross multiply
    19,061.72x = 26,318.02 × 11,894.44
  4. Step 4: Simplify right side
    19,061.72x = 313,038,109.81
  5. Step 5: Solve for x
    x = 313,038,109.81/19,061.72
  6. Step 6: Final answer
    x = 16,422.34

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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.