Home / 13,330.91-19,993.91-4,895.57

Finding the Fourth Proportional to 13,330.91, 19,993.91 and 4,895.57

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Solution

The fourth proportional to 13,330.91, 19,993.91 and 4,895.57 is: 7,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.91 : 19,993.91 = 4,895.57 : x
  2. Step 2: Convert to fraction form
    13,330.91/19,993.91 = 4,895.57/x
  3. Step 3: Cross multiply
    13,330.91x = 19,993.91 × 4,895.57
  4. Step 4: Simplify right side
    13,330.91x = 97,881,561.50
  5. Step 5: Solve for x
    x = 97,881,561.50/13,330.91
  6. Step 6: Final answer
    x = 7,342.45

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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.