Home / 14,398.40-19,869.64-8,110.76

Finding the Fourth Proportional to 14,398.40, 19,869.64 and 8,110.76

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Solution

The fourth proportional to 14,398.40, 19,869.64 and 8,110.76 is: 11,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.40 : 19,869.64 = 8,110.76 : x
  2. Step 2: Convert to fraction form
    14,398.40/19,869.64 = 8,110.76/x
  3. Step 3: Cross multiply
    14,398.40x = 19,869.64 × 8,110.76
  4. Step 4: Simplify right side
    14,398.40x = 161,157,881.33
  5. Step 5: Solve for x
    x = 161,157,881.33/14,398.40
  6. Step 6: Final answer
    x = 11,192.76

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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.