Home / 19,655.66-27,124.20-10,703.10

Finding the Fourth Proportional to 19,655.66, 27,124.20 and 10,703.10

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Solution

The fourth proportional to 19,655.66, 27,124.20 and 10,703.10 is: 14,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.66 : 27,124.20 = 10,703.10 : x
  2. Step 2: Convert to fraction form
    19,655.66/27,124.20 = 10,703.10/x
  3. Step 3: Cross multiply
    19,655.66x = 27,124.20 × 10,703.10
  4. Step 4: Simplify right side
    19,655.66x = 290,313,126.74
  5. Step 5: Solve for x
    x = 290,313,126.74/19,655.66
  6. Step 6: Final answer
    x = 14,769.95

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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.