Home / 19,051.20-26,288.64-10,553.09

Finding the Fourth Proportional to 19,051.20, 26,288.64 and 10,553.09

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Solution

The fourth proportional to 19,051.20, 26,288.64 and 10,553.09 is: 14,562.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.20 : 26,288.64 = 10,553.09 : x
  2. Step 2: Convert to fraction form
    19,051.20/26,288.64 = 10,553.09/x
  3. Step 3: Cross multiply
    19,051.20x = 26,288.64 × 10,553.09
  4. Step 4: Simplify right side
    19,051.20x = 277,426,252.45
  5. Step 5: Solve for x
    x = 277,426,252.45/19,051.20
  6. Step 6: Final answer
    x = 14,562.14

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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.