Home / 23,128.42-31,909.77-14,166.58

Finding the Fourth Proportional to 23,128.42, 31,909.77 and 14,166.58

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Solution

The fourth proportional to 23,128.42, 31,909.77 and 14,166.58 is: 19,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128.42 : 31,909.77 = 14,166.58 : x
  2. Step 2: Convert to fraction form
    23,128.42/31,909.77 = 14,166.58/x
  3. Step 3: Cross multiply
    23,128.42x = 31,909.77 × 14,166.58
  4. Step 4: Simplify right side
    23,128.42x = 452,052,309.49
  5. Step 5: Solve for x
    x = 452,052,309.49/23,128.42
  6. Step 6: Final answer
    x = 19,545.32

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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.