Home / 19,960.02-27,545.87-13,989.51

Finding the Fourth Proportional to 19,960.02, 27,545.87 and 13,989.51

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Solution

The fourth proportional to 19,960.02, 27,545.87 and 13,989.51 is: 19,306.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.02 : 27,545.87 = 13,989.51 : x
  2. Step 2: Convert to fraction form
    19,960.02/27,545.87 = 13,989.51/x
  3. Step 3: Cross multiply
    19,960.02x = 27,545.87 × 13,989.51
  4. Step 4: Simplify right side
    19,960.02x = 385,353,258.80
  5. Step 5: Solve for x
    x = 385,353,258.80/19,960.02
  6. Step 6: Final answer
    x = 19,306.26

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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.