Home / 15,583.55-21,504.96-8,510.00

Finding the Fourth Proportional to 15,583.55, 21,504.96 and 8,510.00

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Solution

The fourth proportional to 15,583.55, 21,504.96 and 8,510.00 is: 11,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.55 : 21,504.96 = 8,510.00 : x
  2. Step 2: Convert to fraction form
    15,583.55/21,504.96 = 8,510.00/x
  3. Step 3: Cross multiply
    15,583.55x = 21,504.96 × 8,510.00
  4. Step 4: Simplify right side
    15,583.55x = 183,007,102.08
  5. Step 5: Solve for x
    x = 183,007,102.08/15,583.55
  6. Step 6: Final answer
    x = 11,743.61

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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.