Home / 13,225.53-19,917.47-12,044.55

Finding the Fourth Proportional to 13,225.53, 19,917.47 and 12,044.55

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Solution

The fourth proportional to 13,225.53, 19,917.47 and 12,044.55 is: 18,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.53 : 19,917.47 = 12,044.55 : x
  2. Step 2: Convert to fraction form
    13,225.53/19,917.47 = 12,044.55/x
  3. Step 3: Cross multiply
    13,225.53x = 19,917.47 × 12,044.55
  4. Step 4: Simplify right side
    13,225.53x = 239,896,963.29
  5. Step 5: Solve for x
    x = 239,896,963.29/13,225.53
  6. Step 6: Final answer
    x = 18,138.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.