Home / 19,768.71-27,280.26-10,816.02

Finding the Fourth Proportional to 19,768.71, 27,280.26 and 10,816.02

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Solution

The fourth proportional to 19,768.71, 27,280.26 and 10,816.02 is: 14,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.71 : 27,280.26 = 10,816.02 : x
  2. Step 2: Convert to fraction form
    19,768.71/27,280.26 = 10,816.02/x
  3. Step 3: Cross multiply
    19,768.71x = 27,280.26 × 10,816.02
  4. Step 4: Simplify right side
    19,768.71x = 295,063,837.77
  5. Step 5: Solve for x
    x = 295,063,837.77/19,768.71
  6. Step 6: Final answer
    x = 14,925.80

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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.