Home / 19,771.02-27,282.84-10,816.74

Finding the Fourth Proportional to 19,771.02, 27,282.84 and 10,816.74

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Solution

The fourth proportional to 19,771.02, 27,282.84 and 10,816.74 is: 14,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.02 : 27,282.84 = 10,816.74 : x
  2. Step 2: Convert to fraction form
    19,771.02/27,282.84 = 10,816.74/x
  3. Step 3: Cross multiply
    19,771.02x = 27,282.84 × 10,816.74
  4. Step 4: Simplify right side
    19,771.02x = 295,111,386.74
  5. Step 5: Solve for x
    x = 295,111,386.74/19,771.02
  6. Step 6: Final answer
    x = 14,926.46

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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.