Home / 14,555.77-20,094.21-9,864.65

Finding the Fourth Proportional to 14,555.77, 20,094.21 and 9,864.65

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Solution

The fourth proportional to 14,555.77, 20,094.21 and 9,864.65 is: 13,618.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.77 : 20,094.21 = 9,864.65 : x
  2. Step 2: Convert to fraction form
    14,555.77/20,094.21 = 9,864.65/x
  3. Step 3: Cross multiply
    14,555.77x = 20,094.21 × 9,864.65
  4. Step 4: Simplify right side
    14,555.77x = 198,222,398.91
  5. Step 5: Solve for x
    x = 198,222,398.91/14,555.77
  6. Step 6: Final answer
    x = 13,618.13

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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.