Home / 19,701.42-27,190.35-14,393.58

Finding the Fourth Proportional to 19,701.42, 27,190.35 and 14,393.58

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Solution

The fourth proportional to 19,701.42, 27,190.35 and 14,393.58 is: 19,864.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.42 : 27,190.35 = 14,393.58 : x
  2. Step 2: Convert to fraction form
    19,701.42/27,190.35 = 14,393.58/x
  3. Step 3: Cross multiply
    19,701.42x = 27,190.35 × 14,393.58
  4. Step 4: Simplify right side
    19,701.42x = 391,366,477.95
  5. Step 5: Solve for x
    x = 391,366,477.95/19,701.42
  6. Step 6: Final answer
    x = 19,864.89

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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.