Home / 19,756.81-27,262.98-10,802.42

Finding the Fourth Proportional to 19,756.81, 27,262.98 and 10,802.42

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Solution

The fourth proportional to 19,756.81, 27,262.98 and 10,802.42 is: 14,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.81 : 27,262.98 = 10,802.42 : x
  2. Step 2: Convert to fraction form
    19,756.81/27,262.98 = 10,802.42/x
  3. Step 3: Cross multiply
    19,756.81x = 27,262.98 × 10,802.42
  4. Step 4: Simplify right side
    19,756.81x = 294,506,160.41
  5. Step 5: Solve for x
    x = 294,506,160.41/19,756.81
  6. Step 6: Final answer
    x = 14,906.56

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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.