Home / 15,736.19-21,715.52-8,566.24

Finding the Fourth Proportional to 15,736.19, 21,715.52 and 8,566.24

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Solution

The fourth proportional to 15,736.19, 21,715.52 and 8,566.24 is: 11,821.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,736.19 : 21,715.52 = 8,566.24 : x
  2. Step 2: Convert to fraction form
    15,736.19/21,715.52 = 8,566.24/x
  3. Step 3: Cross multiply
    15,736.19x = 21,715.52 × 8,566.24
  4. Step 4: Simplify right side
    15,736.19x = 186,020,356.04
  5. Step 5: Solve for x
    x = 186,020,356.04/15,736.19
  6. Step 6: Final answer
    x = 11,821.18

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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.