Home / 20,598.09-28,397.88-16,363.21

Finding the Fourth Proportional to 20,598.09, 28,397.88 and 16,363.21

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Solution

The fourth proportional to 20,598.09, 28,397.88 and 16,363.21 is: 22,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.09 : 28,397.88 = 16,363.21 : x
  2. Step 2: Convert to fraction form
    20,598.09/28,397.88 = 16,363.21/x
  3. Step 3: Cross multiply
    20,598.09x = 28,397.88 × 16,363.21
  4. Step 4: Simplify right side
    20,598.09x = 464,680,509.49
  5. Step 5: Solve for x
    x = 464,680,509.49/20,598.09
  6. Step 6: Final answer
    x = 22,559.39

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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.