Home / 13,795.79-20,679.17-5,795.08

Finding the Fourth Proportional to 13,795.79, 20,679.17 and 5,795.08

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Solution

The fourth proportional to 13,795.79, 20,679.17 and 5,795.08 is: 8,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.79 : 20,679.17 = 5,795.08 : x
  2. Step 2: Convert to fraction form
    13,795.79/20,679.17 = 5,795.08/x
  3. Step 3: Cross multiply
    13,795.79x = 20,679.17 × 5,795.08
  4. Step 4: Simplify right side
    13,795.79x = 119,837,363.81
  5. Step 5: Solve for x
    x = 119,837,363.81/13,795.79
  6. Step 6: Final answer
    x = 8,686.52

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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.