Home / 21,862.58-30,154.37-14,296.77

Finding the Fourth Proportional to 21,862.58, 30,154.37 and 14,296.77

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Solution

The fourth proportional to 21,862.58, 30,154.37 and 14,296.77 is: 19,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,862.58 : 30,154.37 = 14,296.77 : x
  2. Step 2: Convert to fraction form
    21,862.58/30,154.37 = 14,296.77/x
  3. Step 3: Cross multiply
    21,862.58x = 30,154.37 × 14,296.77
  4. Step 4: Simplify right side
    21,862.58x = 431,110,128.13
  5. Step 5: Solve for x
    x = 431,110,128.13/21,862.58
  6. Step 6: Final answer
    x = 19,719.09

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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.