Home / 14,913.56-20,582.70-9,623.78

Finding the Fourth Proportional to 14,913.56, 20,582.70 and 9,623.78

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Solution

The fourth proportional to 14,913.56, 20,582.70 and 9,623.78 is: 13,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.56 : 20,582.70 = 9,623.78 : x
  2. Step 2: Convert to fraction form
    14,913.56/20,582.70 = 9,623.78/x
  3. Step 3: Cross multiply
    14,913.56x = 20,582.70 × 9,623.78
  4. Step 4: Simplify right side
    14,913.56x = 198,083,376.61
  5. Step 5: Solve for x
    x = 198,083,376.61/14,913.56
  6. Step 6: Final answer
    x = 13,282.10

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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.