Home / 14,880.39-20,521.33-9,849.70

Finding the Fourth Proportional to 14,880.39, 20,521.33 and 9,849.70

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Solution

The fourth proportional to 14,880.39, 20,521.33 and 9,849.70 is: 13,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.39 : 20,521.33 = 9,849.70 : x
  2. Step 2: Convert to fraction form
    14,880.39/20,521.33 = 9,849.70/x
  3. Step 3: Cross multiply
    14,880.39x = 20,521.33 × 9,849.70
  4. Step 4: Simplify right side
    14,880.39x = 202,128,944.10
  5. Step 5: Solve for x
    x = 202,128,944.10/14,880.39
  6. Step 6: Final answer
    x = 13,583.58

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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.