Home / 19,422.02-26,811.41-14,643.89

Finding the Fourth Proportional to 19,422.02, 26,811.41 and 14,643.89

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Solution

The fourth proportional to 19,422.02, 26,811.41 and 14,643.89 is: 20,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.02 : 26,811.41 = 14,643.89 : x
  2. Step 2: Convert to fraction form
    19,422.02/26,811.41 = 14,643.89/x
  3. Step 3: Cross multiply
    19,422.02x = 26,811.41 × 14,643.89
  4. Step 4: Simplify right side
    19,422.02x = 392,623,338.78
  5. Step 5: Solve for x
    x = 392,623,338.78/19,422.02
  6. Step 6: Final answer
    x = 20,215.37

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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.