Home / 14,417.17-19,897.62-8,451.21

Finding the Fourth Proportional to 14,417.17, 19,897.62 and 8,451.21

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Solution

The fourth proportional to 14,417.17, 19,897.62 and 8,451.21 is: 11,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.17 : 19,897.62 = 8,451.21 : x
  2. Step 2: Convert to fraction form
    14,417.17/19,897.62 = 8,451.21/x
  3. Step 3: Cross multiply
    14,417.17x = 19,897.62 × 8,451.21
  4. Step 4: Simplify right side
    14,417.17x = 168,158,965.12
  5. Step 5: Solve for x
    x = 168,158,965.12/14,417.17
  6. Step 6: Final answer
    x = 11,663.80

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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.