Home / 14,335.08-19,772.90-8,666.12

Finding the Fourth Proportional to 14,335.08, 19,772.90 and 8,666.12

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Solution

The fourth proportional to 14,335.08, 19,772.90 and 8,666.12 is: 11,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335.08 : 19,772.90 = 8,666.12 : x
  2. Step 2: Convert to fraction form
    14,335.08/19,772.90 = 8,666.12/x
  3. Step 3: Cross multiply
    14,335.08x = 19,772.90 × 8,666.12
  4. Step 4: Simplify right side
    14,335.08x = 171,354,324.15
  5. Step 5: Solve for x
    x = 171,354,324.15/14,335.08
  6. Step 6: Final answer
    x = 11,953.50

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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.