Home / 15,867.54-21,888.36-14,741.24

Finding the Fourth Proportional to 15,867.54, 21,888.36 and 14,741.24

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Solution

The fourth proportional to 15,867.54, 21,888.36 and 14,741.24 is: 20,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,867.54 : 21,888.36 = 14,741.24 : x
  2. Step 2: Convert to fraction form
    15,867.54/21,888.36 = 14,741.24/x
  3. Step 3: Cross multiply
    15,867.54x = 21,888.36 × 14,741.24
  4. Step 4: Simplify right side
    15,867.54x = 322,661,458.52
  5. Step 5: Solve for x
    x = 322,661,458.52/15,867.54
  6. Step 6: Final answer
    x = 20,334.69

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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.