Home / 14,413.59-19,888.47-8,124.75

Finding the Fourth Proportional to 14,413.59, 19,888.47 and 8,124.75

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Solution

The fourth proportional to 14,413.59, 19,888.47 and 8,124.75 is: 11,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.59 : 19,888.47 = 8,124.75 : x
  2. Step 2: Convert to fraction form
    14,413.59/19,888.47 = 8,124.75/x
  3. Step 3: Cross multiply
    14,413.59x = 19,888.47 × 8,124.75
  4. Step 4: Simplify right side
    14,413.59x = 161,588,846.63
  5. Step 5: Solve for x
    x = 161,588,846.63/14,413.59
  6. Step 6: Final answer
    x = 11,210.87

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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.