Home / 13,798.84-19,042.14-7,511.08

Finding the Fourth Proportional to 13,798.84, 19,042.14 and 7,511.08

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Solution

The fourth proportional to 13,798.84, 19,042.14 and 7,511.08 is: 10,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.84 : 19,042.14 = 7,511.08 : x
  2. Step 2: Convert to fraction form
    13,798.84/19,042.14 = 7,511.08/x
  3. Step 3: Cross multiply
    13,798.84x = 19,042.14 × 7,511.08
  4. Step 4: Simplify right side
    13,798.84x = 143,027,036.91
  5. Step 5: Solve for x
    x = 143,027,036.91/13,798.84
  6. Step 6: Final answer
    x = 10,365.15

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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.