Home / 14,239.94-19,636.02-9,770.22

Finding the Fourth Proportional to 14,239.94, 19,636.02 and 9,770.22

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Solution

The fourth proportional to 14,239.94, 19,636.02 and 9,770.22 is: 13,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.94 : 19,636.02 = 9,770.22 : x
  2. Step 2: Convert to fraction form
    14,239.94/19,636.02 = 9,770.22/x
  3. Step 3: Cross multiply
    14,239.94x = 19,636.02 × 9,770.22
  4. Step 4: Simplify right side
    14,239.94x = 191,848,235.32
  5. Step 5: Solve for x
    x = 191,848,235.32/14,239.94
  6. Step 6: Final answer
    x = 13,472.55

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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.