Home / 19,432.64-26,809.44-11,967.68

Finding the Fourth Proportional to 19,432.64, 26,809.44 and 11,967.68

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Solution

The fourth proportional to 19,432.64, 26,809.44 and 11,967.68 is: 16,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.64 : 26,809.44 = 11,967.68 : x
  2. Step 2: Convert to fraction form
    19,432.64/26,809.44 = 11,967.68/x
  3. Step 3: Cross multiply
    19,432.64x = 26,809.44 × 11,967.68
  4. Step 4: Simplify right side
    19,432.64x = 320,846,798.90
  5. Step 5: Solve for x
    x = 320,846,798.90/19,432.64
  6. Step 6: Final answer
    x = 16,510.72

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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.