Home / 21,447.52-29,597.54-13,064.02

Finding the Fourth Proportional to 21,447.52, 29,597.54 and 13,064.02

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Solution

The fourth proportional to 21,447.52, 29,597.54 and 13,064.02 is: 18,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.52 : 29,597.54 = 13,064.02 : x
  2. Step 2: Convert to fraction form
    21,447.52/29,597.54 = 13,064.02/x
  3. Step 3: Cross multiply
    21,447.52x = 29,597.54 × 13,064.02
  4. Step 4: Simplify right side
    21,447.52x = 386,662,715.20
  5. Step 5: Solve for x
    x = 386,662,715.20/21,447.52
  6. Step 6: Final answer
    x = 18,028.32

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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.