Home / 14,368.21-19,825.16-8,398.73

Finding the Fourth Proportional to 14,368.21, 19,825.16 and 8,398.73

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Solution

The fourth proportional to 14,368.21, 19,825.16 and 8,398.73 is: 11,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.21 : 19,825.16 = 8,398.73 : x
  2. Step 2: Convert to fraction form
    14,368.21/19,825.16 = 8,398.73/x
  3. Step 3: Cross multiply
    14,368.21x = 19,825.16 × 8,398.73
  4. Step 4: Simplify right side
    14,368.21x = 166,506,132.96
  5. Step 5: Solve for x
    x = 166,506,132.96/14,368.21
  6. Step 6: Final answer
    x = 11,588.51

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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.