Home / 13,290.98-19,929.47-5,892.23

Finding the Fourth Proportional to 13,290.98, 19,929.47 and 5,892.23

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Solution

The fourth proportional to 13,290.98, 19,929.47 and 5,892.23 is: 8,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.98 : 19,929.47 = 5,892.23 : x
  2. Step 2: Convert to fraction form
    13,290.98/19,929.47 = 5,892.23/x
  3. Step 3: Cross multiply
    13,290.98x = 19,929.47 × 5,892.23
  4. Step 4: Simplify right side
    13,290.98x = 117,428,891.91
  5. Step 5: Solve for x
    x = 117,428,891.91/13,290.98
  6. Step 6: Final answer
    x = 8,835.24

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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.