Home / 15,336.96-22,891.63-13,219.51

Finding the Fourth Proportional to 15,336.96, 22,891.63 and 13,219.51

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Solution

The fourth proportional to 15,336.96, 22,891.63 and 13,219.51 is: 19,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,336.96 : 22,891.63 = 13,219.51 : x
  2. Step 2: Convert to fraction form
    15,336.96/22,891.63 = 13,219.51/x
  3. Step 3: Cross multiply
    15,336.96x = 22,891.63 × 13,219.51
  4. Step 4: Simplify right side
    15,336.96x = 302,616,131.70
  5. Step 5: Solve for x
    x = 302,616,131.70/15,336.96
  6. Step 6: Final answer
    x = 19,731.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.