Home / 19,693.42-27,176.10-10,740.76

Finding the Fourth Proportional to 19,693.42, 27,176.10 and 10,740.76

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Solution

The fourth proportional to 19,693.42, 27,176.10 and 10,740.76 is: 14,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.42 : 27,176.10 = 10,740.76 : x
  2. Step 2: Convert to fraction form
    19,693.42/27,176.10 = 10,740.76/x
  3. Step 3: Cross multiply
    19,693.42x = 27,176.10 × 10,740.76
  4. Step 4: Simplify right side
    19,693.42x = 291,891,967.84
  5. Step 5: Solve for x
    x = 291,891,967.84/19,693.42
  6. Step 6: Final answer
    x = 14,821.80

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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.