Home / 21,206.52-29,252.01-15,246.27

Finding the Fourth Proportional to 21,206.52, 29,252.01 and 15,246.27

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Solution

The fourth proportional to 21,206.52, 29,252.01 and 15,246.27 is: 21,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,206.52 : 29,252.01 = 15,246.27 : x
  2. Step 2: Convert to fraction form
    21,206.52/29,252.01 = 15,246.27/x
  3. Step 3: Cross multiply
    21,206.52x = 29,252.01 × 15,246.27
  4. Step 4: Simplify right side
    21,206.52x = 445,984,042.50
  5. Step 5: Solve for x
    x = 445,984,042.50/21,206.52
  6. Step 6: Final answer
    x = 21,030.52

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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.