Home / 14,047.22-19,389.38-8,385.93

Finding the Fourth Proportional to 14,047.22, 19,389.38 and 8,385.93

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Solution

The fourth proportional to 14,047.22, 19,389.38 and 8,385.93 is: 11,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.22 : 19,389.38 = 8,385.93 : x
  2. Step 2: Convert to fraction form
    14,047.22/19,389.38 = 8,385.93/x
  3. Step 3: Cross multiply
    14,047.22x = 19,389.38 × 8,385.93
  4. Step 4: Simplify right side
    14,047.22x = 162,597,941.49
  5. Step 5: Solve for x
    x = 162,597,941.49/14,047.22
  6. Step 6: Final answer
    x = 11,575.10

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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.