Home / 20,544.06-28,364.67-13,482.48

Finding the Fourth Proportional to 20,544.06, 28,364.67 and 13,482.48

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Solution

The fourth proportional to 20,544.06, 28,364.67 and 13,482.48 is: 18,614.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.06 : 28,364.67 = 13,482.48 : x
  2. Step 2: Convert to fraction form
    20,544.06/28,364.67 = 13,482.48/x
  3. Step 3: Cross multiply
    20,544.06x = 28,364.67 × 13,482.48
  4. Step 4: Simplify right side
    20,544.06x = 382,426,095.98
  5. Step 5: Solve for x
    x = 382,426,095.98/20,544.06
  6. Step 6: Final answer
    x = 18,614.92

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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.