Home / 13,895.90-19,176.64-7,608.68

Finding the Fourth Proportional to 13,895.90, 19,176.64 and 7,608.68

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Solution

The fourth proportional to 13,895.90, 19,176.64 and 7,608.68 is: 10,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.90 : 19,176.64 = 7,608.68 : x
  2. Step 2: Convert to fraction form
    13,895.90/19,176.64 = 7,608.68/x
  3. Step 3: Cross multiply
    13,895.90x = 19,176.64 × 7,608.68
  4. Step 4: Simplify right side
    13,895.90x = 145,908,802.33
  5. Step 5: Solve for x
    x = 145,908,802.33/13,895.90
  6. Step 6: Final answer
    x = 10,500.14

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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.