Home / 21,071.06-31,596.01-7,026.12

Finding the Fourth Proportional to 21,071.06, 31,596.01 and 7,026.12

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Solution

The fourth proportional to 21,071.06, 31,596.01 and 7,026.12 is: 10,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,071.06 : 31,596.01 = 7,026.12 : x
  2. Step 2: Convert to fraction form
    21,071.06/31,596.01 = 7,026.12/x
  3. Step 3: Cross multiply
    21,071.06x = 31,596.01 × 7,026.12
  4. Step 4: Simplify right side
    21,071.06x = 221,997,164.67
  5. Step 5: Solve for x
    x = 221,997,164.67/21,071.06
  6. Step 6: Final answer
    x = 10,535.64

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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.