Home / 19,875.42-27,428.40-10,923.74

Finding the Fourth Proportional to 19,875.42, 27,428.40 and 10,923.74

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Solution

The fourth proportional to 19,875.42, 27,428.40 and 10,923.74 is: 15,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.42 : 27,428.40 = 10,923.74 : x
  2. Step 2: Convert to fraction form
    19,875.42/27,428.40 = 10,923.74/x
  3. Step 3: Cross multiply
    19,875.42x = 27,428.40 × 10,923.74
  4. Step 4: Simplify right side
    19,875.42x = 299,620,710.22
  5. Step 5: Solve for x
    x = 299,620,710.22/19,875.42
  6. Step 6: Final answer
    x = 15,074.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.