Home / 14,282.12-19,698.70-9,242.45

Finding the Fourth Proportional to 14,282.12, 19,698.70 and 9,242.45

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Solution

The fourth proportional to 14,282.12, 19,698.70 and 9,242.45 is: 12,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.12 : 19,698.70 = 9,242.45 : x
  2. Step 2: Convert to fraction form
    14,282.12/19,698.70 = 9,242.45/x
  3. Step 3: Cross multiply
    14,282.12x = 19,698.70 × 9,242.45
  4. Step 4: Simplify right side
    14,282.12x = 182,064,105.11
  5. Step 5: Solve for x
    x = 182,064,105.11/14,282.12
  6. Step 6: Final answer
    x = 12,747.70

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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.