Home / 26,151.81-36,090.20-14,215.96

Finding the Fourth Proportional to 26,151.81, 36,090.20 and 14,215.96

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Solution

The fourth proportional to 26,151.81, 36,090.20 and 14,215.96 is: 19,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,151.81 : 36,090.20 = 14,215.96 : x
  2. Step 2: Convert to fraction form
    26,151.81/36,090.20 = 14,215.96/x
  3. Step 3: Cross multiply
    26,151.81x = 36,090.20 × 14,215.96
  4. Step 4: Simplify right side
    26,151.81x = 513,056,784.91
  5. Step 5: Solve for x
    x = 513,056,784.91/26,151.81
  6. Step 6: Final answer
    x = 19,618.40

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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.