Home / 19,518.61-29,274.58-7,036.15

Finding the Fourth Proportional to 19,518.61, 29,274.58 and 7,036.15

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Solution

The fourth proportional to 19,518.61, 29,274.58 and 7,036.15 is: 10,553.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.61 : 29,274.58 = 7,036.15 : x
  2. Step 2: Convert to fraction form
    19,518.61/29,274.58 = 7,036.15/x
  3. Step 3: Cross multiply
    19,518.61x = 29,274.58 × 7,036.15
  4. Step 4: Simplify right side
    19,518.61x = 205,980,336.07
  5. Step 5: Solve for x
    x = 205,980,336.07/19,518.61
  6. Step 6: Final answer
    x = 10,553.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.