Home / 34,680.80-47,859.18-18,764.96

Finding the Fourth Proportional to 34,680.80, 47,859.18 and 18,764.96

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Solution

The fourth proportional to 34,680.80, 47,859.18 and 18,764.96 is: 25,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,680.80 : 47,859.18 = 18,764.96 : x
  2. Step 2: Convert to fraction form
    34,680.80/47,859.18 = 18,764.96/x
  3. Step 3: Cross multiply
    34,680.80x = 47,859.18 × 18,764.96
  4. Step 4: Simplify right side
    34,680.80x = 898,075,598.33
  5. Step 5: Solve for x
    x = 898,075,598.33/34,680.80
  6. Step 6: Final answer
    x = 25,895.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.