Home / 14,890.16-20,549.48-9,845.62

Finding the Fourth Proportional to 14,890.16, 20,549.48 and 9,845.62

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Solution

The fourth proportional to 14,890.16, 20,549.48 and 9,845.62 is: 13,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.16 : 20,549.48 = 9,845.62 : x
  2. Step 2: Convert to fraction form
    14,890.16/20,549.48 = 9,845.62/x
  3. Step 3: Cross multiply
    14,890.16x = 20,549.48 × 9,845.62
  4. Step 4: Simplify right side
    14,890.16x = 202,322,270.68
  5. Step 5: Solve for x
    x = 202,322,270.68/14,890.16
  6. Step 6: Final answer
    x = 13,587.65

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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.