Home / 28,038.96-41,998.11-13,225.68

Finding the Fourth Proportional to 28,038.96, 41,998.11 and 13,225.68

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Solution

The fourth proportional to 28,038.96, 41,998.11 and 13,225.68 is: 19,810.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,038.96 : 41,998.11 = 13,225.68 : x
  2. Step 2: Convert to fraction form
    28,038.96/41,998.11 = 13,225.68/x
  3. Step 3: Cross multiply
    28,038.96x = 41,998.11 × 13,225.68
  4. Step 4: Simplify right side
    28,038.96x = 555,453,563.46
  5. Step 5: Solve for x
    x = 555,453,563.46/28,038.96
  6. Step 6: Final answer
    x = 19,810.06

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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.