Home / 21,440.70-32,091.93-11,038.14

Finding the Fourth Proportional to 21,440.70, 32,091.93 and 11,038.14

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Solution

The fourth proportional to 21,440.70, 32,091.93 and 11,038.14 is: 16,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.70 : 32,091.93 = 11,038.14 : x
  2. Step 2: Convert to fraction form
    21,440.70/32,091.93 = 11,038.14/x
  3. Step 3: Cross multiply
    21,440.70x = 32,091.93 × 11,038.14
  4. Step 4: Simplify right side
    21,440.70x = 354,235,216.21
  5. Step 5: Solve for x
    x = 354,235,216.21/21,440.70
  6. Step 6: Final answer
    x = 16,521.63

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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.