Home / 17,979.02-26,772.66-17,782.49

Finding the Fourth Proportional to 17,979.02, 26,772.66 and 17,782.49

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Solution

The fourth proportional to 17,979.02, 26,772.66 and 17,782.49 is: 26,480.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.02 : 26,772.66 = 17,782.49 : x
  2. Step 2: Convert to fraction form
    17,979.02/26,772.66 = 17,782.49/x
  3. Step 3: Cross multiply
    17,979.02x = 26,772.66 × 17,782.49
  4. Step 4: Simplify right side
    17,979.02x = 476,084,424.86
  5. Step 5: Solve for x
    x = 476,084,424.86/17,979.02
  6. Step 6: Final answer
    x = 26,480.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.