Home / 25,624.35-38,413.74-13,784.48

Finding the Fourth Proportional to 25,624.35, 38,413.74 and 13,784.48

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Solution

The fourth proportional to 25,624.35, 38,413.74 and 13,784.48 is: 20,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,624.35 : 38,413.74 = 13,784.48 : x
  2. Step 2: Convert to fraction form
    25,624.35/38,413.74 = 13,784.48/x
  3. Step 3: Cross multiply
    25,624.35x = 38,413.74 × 13,784.48
  4. Step 4: Simplify right side
    25,624.35x = 529,513,434.43
  5. Step 5: Solve for x
    x = 529,513,434.43/25,624.35
  6. Step 6: Final answer
    x = 20,664.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.