Home / 15,824.53-21,840.59-9,536.91

Finding the Fourth Proportional to 15,824.53, 21,840.59 and 9,536.91

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Solution

The fourth proportional to 15,824.53, 21,840.59 and 9,536.91 is: 13,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,824.53 : 21,840.59 = 9,536.91 : x
  2. Step 2: Convert to fraction form
    15,824.53/21,840.59 = 9,536.91/x
  3. Step 3: Cross multiply
    15,824.53x = 21,840.59 × 9,536.91
  4. Step 4: Simplify right side
    15,824.53x = 208,291,629.47
  5. Step 5: Solve for x
    x = 208,291,629.47/15,824.53
  6. Step 6: Final answer
    x = 13,162.58

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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.