Home / 19,768.25-27,280.53-10,816.54

Finding the Fourth Proportional to 19,768.25, 27,280.53 and 10,816.54

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Solution

The fourth proportional to 19,768.25, 27,280.53 and 10,816.54 is: 14,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.25 : 27,280.53 = 10,816.54 : x
  2. Step 2: Convert to fraction form
    19,768.25/27,280.53 = 10,816.54/x
  3. Step 3: Cross multiply
    19,768.25x = 27,280.53 × 10,816.54
  4. Step 4: Simplify right side
    19,768.25x = 295,080,875.76
  5. Step 5: Solve for x
    x = 295,080,875.76/19,768.25
  6. Step 6: Final answer
    x = 14,927.01

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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.