Home / 15,736.53-21,718.49-9,449.31

Finding the Fourth Proportional to 15,736.53, 21,718.49 and 9,449.31

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Solution

The fourth proportional to 15,736.53, 21,718.49 and 9,449.31 is: 13,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,736.53 : 21,718.49 = 9,449.31 : x
  2. Step 2: Convert to fraction form
    15,736.53/21,718.49 = 9,449.31/x
  3. Step 3: Cross multiply
    15,736.53x = 21,718.49 × 9,449.31
  4. Step 4: Simplify right side
    15,736.53x = 205,224,697.50
  5. Step 5: Solve for x
    x = 205,224,697.50/15,736.53
  6. Step 6: Final answer
    x = 13,041.29

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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.