Home / 14,501.16-20,010.65-8,126.64

Finding the Fourth Proportional to 14,501.16, 20,010.65 and 8,126.64

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Solution

The fourth proportional to 14,501.16, 20,010.65 and 8,126.64 is: 11,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.16 : 20,010.65 = 8,126.64 : x
  2. Step 2: Convert to fraction form
    14,501.16/20,010.65 = 8,126.64/x
  3. Step 3: Cross multiply
    14,501.16x = 20,010.65 × 8,126.64
  4. Step 4: Simplify right side
    14,501.16x = 162,619,348.72
  5. Step 5: Solve for x
    x = 162,619,348.72/14,501.16
  6. Step 6: Final answer
    x = 11,214.23

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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.