Home / 19,883.24-27,438.93-10,930.89

Finding the Fourth Proportional to 19,883.24, 27,438.93 and 10,930.89

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Solution

The fourth proportional to 19,883.24, 27,438.93 and 10,930.89 is: 15,084.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883.24 : 27,438.93 = 10,930.89 : x
  2. Step 2: Convert to fraction form
    19,883.24/27,438.93 = 10,930.89/x
  3. Step 3: Cross multiply
    19,883.24x = 27,438.93 × 10,930.89
  4. Step 4: Simplify right side
    19,883.24x = 299,931,925.55
  5. Step 5: Solve for x
    x = 299,931,925.55/19,883.24
  6. Step 6: Final answer
    x = 15,084.66

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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.