Home / 18,962.73-26,156.39-11,510.73

Finding the Fourth Proportional to 18,962.73, 26,156.39 and 11,510.73

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Solution

The fourth proportional to 18,962.73, 26,156.39 and 11,510.73 is: 15,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.73 : 26,156.39 = 11,510.73 : x
  2. Step 2: Convert to fraction form
    18,962.73/26,156.39 = 11,510.73/x
  3. Step 3: Cross multiply
    18,962.73x = 26,156.39 × 11,510.73
  4. Step 4: Simplify right side
    18,962.73x = 301,079,085.51
  5. Step 5: Solve for x
    x = 301,079,085.51/18,962.73
  6. Step 6: Final answer
    x = 15,877.41

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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.