Home / 20,573.04-30,806.88-14,239.16

Finding the Fourth Proportional to 20,573.04, 30,806.88 and 14,239.16

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Solution

The fourth proportional to 20,573.04, 30,806.88 and 14,239.16 is: 21,322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573.04 : 30,806.88 = 14,239.16 : x
  2. Step 2: Convert to fraction form
    20,573.04/30,806.88 = 14,239.16/x
  3. Step 3: Cross multiply
    20,573.04x = 30,806.88 × 14,239.16
  4. Step 4: Simplify right side
    20,573.04x = 438,664,081.61
  5. Step 5: Solve for x
    x = 438,664,081.61/20,573.04
  6. Step 6: Final answer
    x = 21,322.28

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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.