Home / 19,156.02-28,661.13-11,528.66

Finding the Fourth Proportional to 19,156.02, 28,661.13 and 11,528.66

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Solution

The fourth proportional to 19,156.02, 28,661.13 and 11,528.66 is: 17,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.02 : 28,661.13 = 11,528.66 : x
  2. Step 2: Convert to fraction form
    19,156.02/28,661.13 = 11,528.66/x
  3. Step 3: Cross multiply
    19,156.02x = 28,661.13 × 11,528.66
  4. Step 4: Simplify right side
    19,156.02x = 330,424,422.99
  5. Step 5: Solve for x
    x = 330,424,422.99/19,156.02
  6. Step 6: Final answer
    x = 17,249.12

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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.