Home / 34,760.79-52,143.93-13,699.40

Finding the Fourth Proportional to 34,760.79, 52,143.93 and 13,699.40

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Solution

The fourth proportional to 34,760.79, 52,143.93 and 13,699.40 is: 20,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,760.79 : 52,143.93 = 13,699.40 : x
  2. Step 2: Convert to fraction form
    34,760.79/52,143.93 = 13,699.40/x
  3. Step 3: Cross multiply
    34,760.79x = 52,143.93 × 13,699.40
  4. Step 4: Simplify right side
    34,760.79x = 714,340,293.92
  5. Step 5: Solve for x
    x = 714,340,293.92/34,760.79
  6. Step 6: Final answer
    x = 20,550.17

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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.