Home / 23,051.66-31,777.79-19,851.13

Finding the Fourth Proportional to 23,051.66, 31,777.79 and 19,851.13

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Solution

The fourth proportional to 23,051.66, 31,777.79 and 19,851.13 is: 27,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,051.66 : 31,777.79 = 19,851.13 : x
  2. Step 2: Convert to fraction form
    23,051.66/31,777.79 = 19,851.13/x
  3. Step 3: Cross multiply
    23,051.66x = 31,777.79 × 19,851.13
  4. Step 4: Simplify right side
    23,051.66x = 630,824,969.61
  5. Step 5: Solve for x
    x = 630,824,969.61/23,051.66
  6. Step 6: Final answer
    x = 27,365.70

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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.