Home / 15,542.02-21,448.02-8,468.47

Finding the Fourth Proportional to 15,542.02, 21,448.02 and 8,468.47

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Solution

The fourth proportional to 15,542.02, 21,448.02 and 8,468.47 is: 11,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.02 : 21,448.02 = 8,468.47 : x
  2. Step 2: Convert to fraction form
    15,542.02/21,448.02 = 8,468.47/x
  3. Step 3: Cross multiply
    15,542.02x = 21,448.02 × 8,468.47
  4. Step 4: Simplify right side
    15,542.02x = 181,631,913.93
  5. Step 5: Solve for x
    x = 181,631,913.93/15,542.02
  6. Step 6: Final answer
    x = 11,686.51

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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.