Home / 13,899.04-20,847.98-4,038.12

Finding the Fourth Proportional to 13,899.04, 20,847.98 and 4,038.12

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Solution

The fourth proportional to 13,899.04, 20,847.98 and 4,038.12 is: 6,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.04 : 20,847.98 = 4,038.12 : x
  2. Step 2: Convert to fraction form
    13,899.04/20,847.98 = 4,038.12/x
  3. Step 3: Cross multiply
    13,899.04x = 20,847.98 × 4,038.12
  4. Step 4: Simplify right side
    13,899.04x = 84,186,645.00
  5. Step 5: Solve for x
    x = 84,186,645.00/13,899.04
  6. Step 6: Final answer
    x = 6,057.01

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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.