Home / 16,875.67-25,313.51-13,172.35

Finding the Fourth Proportional to 16,875.67, 25,313.51 and 13,172.35

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Solution

The fourth proportional to 16,875.67, 25,313.51 and 13,172.35 is: 19,758.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.67 : 25,313.51 = 13,172.35 : x
  2. Step 2: Convert to fraction form
    16,875.67/25,313.51 = 13,172.35/x
  3. Step 3: Cross multiply
    16,875.67x = 25,313.51 × 13,172.35
  4. Step 4: Simplify right side
    16,875.67x = 333,438,413.45
  5. Step 5: Solve for x
    x = 333,438,413.45/16,875.67
  6. Step 6: Final answer
    x = 19,758.53

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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.