Home / 21,059.06-31,588.65-5,476.68

Finding the Fourth Proportional to 21,059.06, 31,588.65 and 5,476.68

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Solution

The fourth proportional to 21,059.06, 31,588.65 and 5,476.68 is: 8,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059.06 : 31,588.65 = 5,476.68 : x
  2. Step 2: Convert to fraction form
    21,059.06/31,588.65 = 5,476.68/x
  3. Step 3: Cross multiply
    21,059.06x = 31,588.65 × 5,476.68
  4. Step 4: Simplify right side
    21,059.06x = 173,000,927.68
  5. Step 5: Solve for x
    x = 173,000,927.68/21,059.06
  6. Step 6: Final answer
    x = 8,215.04

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1.5x scale

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.