Home / 19,929.95-27,473.29-16,387.01

Finding the Fourth Proportional to 19,929.95, 27,473.29 and 16,387.01

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Solution

The fourth proportional to 19,929.95, 27,473.29 and 16,387.01 is: 22,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.95 : 27,473.29 = 16,387.01 : x
  2. Step 2: Convert to fraction form
    19,929.95/27,473.29 = 16,387.01/x
  3. Step 3: Cross multiply
    19,929.95x = 27,473.29 × 16,387.01
  4. Step 4: Simplify right side
    19,929.95x = 450,205,077.96
  5. Step 5: Solve for x
    x = 450,205,077.96/19,929.95
  6. Step 6: Final answer
    x = 22,589.37

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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.