Home / 34,275.50-51,420.81-14,570.90

Finding the Fourth Proportional to 34,275.50, 51,420.81 and 14,570.90

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Solution

The fourth proportional to 34,275.50, 51,420.81 and 14,570.90 is: 21,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,275.50 : 51,420.81 = 14,570.90 : x
  2. Step 2: Convert to fraction form
    34,275.50/51,420.81 = 14,570.90/x
  3. Step 3: Cross multiply
    34,275.50x = 51,420.81 × 14,570.90
  4. Step 4: Simplify right side
    34,275.50x = 749,247,480.43
  5. Step 5: Solve for x
    x = 749,247,480.43/34,275.50
  6. Step 6: Final answer
    x = 21,859.56

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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.