Home / 19,249.02-28,906.47-11,897.10

Finding the Fourth Proportional to 19,249.02, 28,906.47 and 11,897.10

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Solution

The fourth proportional to 19,249.02, 28,906.47 and 11,897.10 is: 17,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249.02 : 28,906.47 = 11,897.10 : x
  2. Step 2: Convert to fraction form
    19,249.02/28,906.47 = 11,897.10/x
  3. Step 3: Cross multiply
    19,249.02x = 28,906.47 × 11,897.10
  4. Step 4: Simplify right side
    19,249.02x = 343,903,164.24
  5. Step 5: Solve for x
    x = 343,903,164.24/19,249.02
  6. Step 6: Final answer
    x = 17,866.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.