Home / 26,326.72-36,331.50-14,390.56

Finding the Fourth Proportional to 26,326.72, 36,331.50 and 14,390.56

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Solution

The fourth proportional to 26,326.72, 36,331.50 and 14,390.56 is: 19,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,326.72 : 36,331.50 = 14,390.56 : x
  2. Step 2: Convert to fraction form
    26,326.72/36,331.50 = 14,390.56/x
  3. Step 3: Cross multiply
    26,326.72x = 36,331.50 × 14,390.56
  4. Step 4: Simplify right side
    26,326.72x = 522,830,630.64
  5. Step 5: Solve for x
    x = 522,830,630.64/26,326.72
  6. Step 6: Final answer
    x = 19,859.32

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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.