Home / 14,864.96-20,513.12-8,895.36

Finding the Fourth Proportional to 14,864.96, 20,513.12 and 8,895.36

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Solution

The fourth proportional to 14,864.96, 20,513.12 and 8,895.36 is: 12,275.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.96 : 20,513.12 = 8,895.36 : x
  2. Step 2: Convert to fraction form
    14,864.96/20,513.12 = 8,895.36/x
  3. Step 3: Cross multiply
    14,864.96x = 20,513.12 × 8,895.36
  4. Step 4: Simplify right side
    14,864.96x = 182,471,587.12
  5. Step 5: Solve for x
    x = 182,471,587.12/14,864.96
  6. Step 6: Final answer
    x = 12,275.28

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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.