Home / 14,864.79-20,513.40-8,577.16

Finding the Fourth Proportional to 14,864.79, 20,513.40 and 8,577.16

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Solution

The fourth proportional to 14,864.79, 20,513.40 and 8,577.16 is: 11,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.79 : 20,513.40 = 8,577.16 : x
  2. Step 2: Convert to fraction form
    14,864.79/20,513.40 = 8,577.16/x
  3. Step 3: Cross multiply
    14,864.79x = 20,513.40 × 8,577.16
  4. Step 4: Simplify right side
    14,864.79x = 175,946,713.94
  5. Step 5: Solve for x
    x = 175,946,713.94/14,864.79
  6. Step 6: Final answer
    x = 11,836.47

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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.