Home / 19,393.02-26,758.35-12,316.86

Finding the Fourth Proportional to 19,393.02, 26,758.35 and 12,316.86

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Solution

The fourth proportional to 19,393.02, 26,758.35 and 12,316.86 is: 16,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.02 : 26,758.35 = 12,316.86 : x
  2. Step 2: Convert to fraction form
    19,393.02/26,758.35 = 12,316.86/x
  3. Step 3: Cross multiply
    19,393.02x = 26,758.35 × 12,316.86
  4. Step 4: Simplify right side
    19,393.02x = 329,578,850.78
  5. Step 5: Solve for x
    x = 329,578,850.78/19,393.02
  6. Step 6: Final answer
    x = 16,994.72

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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.