Home / 19,409.34-26,784.69-10,912.92

Finding the Fourth Proportional to 19,409.34, 26,784.69 and 10,912.92

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Solution

The fourth proportional to 19,409.34, 26,784.69 and 10,912.92 is: 15,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.34 : 26,784.69 = 10,912.92 : x
  2. Step 2: Convert to fraction form
    19,409.34/26,784.69 = 10,912.92/x
  3. Step 3: Cross multiply
    19,409.34x = 26,784.69 × 10,912.92
  4. Step 4: Simplify right side
    19,409.34x = 292,299,179.19
  5. Step 5: Solve for x
    x = 292,299,179.19/19,409.34
  6. Step 6: Final answer
    x = 15,059.72

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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.