Home / 15,666.23-21,619.58-8,592.50

Finding the Fourth Proportional to 15,666.23, 21,619.58 and 8,592.50

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Solution

The fourth proportional to 15,666.23, 21,619.58 and 8,592.50 is: 11,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.23 : 21,619.58 = 8,592.50 : x
  2. Step 2: Convert to fraction form
    15,666.23/21,619.58 = 8,592.50/x
  3. Step 3: Cross multiply
    15,666.23x = 21,619.58 × 8,592.50
  4. Step 4: Simplify right side
    15,666.23x = 185,766,252.24
  5. Step 5: Solve for x
    x = 185,766,252.24/15,666.23
  6. Step 6: Final answer
    x = 11,857.75

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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.