Home / 14,864.30-20,513.36-8,894.81

Finding the Fourth Proportional to 14,864.30, 20,513.36 and 8,894.81

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Solution

The fourth proportional to 14,864.30, 20,513.36 and 8,894.81 is: 12,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.30 : 20,513.36 = 8,894.81 : x
  2. Step 2: Convert to fraction form
    14,864.30/20,513.36 = 8,894.81/x
  3. Step 3: Cross multiply
    14,864.30x = 20,513.36 × 8,894.81
  4. Step 4: Simplify right side
    14,864.30x = 182,462,292.62
  5. Step 5: Solve for x
    x = 182,462,292.62/14,864.30
  6. Step 6: Final answer
    x = 12,275.21

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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.