Home / 21,984.02-30,336.52-14,025.39

Finding the Fourth Proportional to 21,984.02, 30,336.52 and 14,025.39

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Solution

The fourth proportional to 21,984.02, 30,336.52 and 14,025.39 is: 19,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984.02 : 30,336.52 = 14,025.39 : x
  2. Step 2: Convert to fraction form
    21,984.02/30,336.52 = 14,025.39/x
  3. Step 3: Cross multiply
    21,984.02x = 30,336.52 × 14,025.39
  4. Step 4: Simplify right side
    21,984.02x = 425,481,454.12
  5. Step 5: Solve for x
    x = 425,481,454.12/21,984.02
  6. Step 6: Final answer
    x = 19,354.12

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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.