Home / 25,009.09-34,515.52-14,400.79

Finding the Fourth Proportional to 25,009.09, 34,515.52 and 14,400.79

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Solution

The fourth proportional to 25,009.09, 34,515.52 and 14,400.79 is: 19,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.09 : 34,515.52 = 14,400.79 : x
  2. Step 2: Convert to fraction form
    25,009.09/34,515.52 = 14,400.79/x
  3. Step 3: Cross multiply
    25,009.09x = 34,515.52 × 14,400.79
  4. Step 4: Simplify right side
    25,009.09x = 497,050,632.97
  5. Step 5: Solve for x
    x = 497,050,632.97/25,009.09
  6. Step 6: Final answer
    x = 19,874.80

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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.