Home / 19,617.85-27,072.66-10,665.46

Finding the Fourth Proportional to 19,617.85, 27,072.66 and 10,665.46

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Solution

The fourth proportional to 19,617.85, 27,072.66 and 10,665.46 is: 14,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.85 : 27,072.66 = 10,665.46 : x
  2. Step 2: Convert to fraction form
    19,617.85/27,072.66 = 10,665.46/x
  3. Step 3: Cross multiply
    19,617.85x = 27,072.66 × 10,665.46
  4. Step 4: Simplify right side
    19,617.85x = 288,742,372.32
  5. Step 5: Solve for x
    x = 288,742,372.32/19,617.85
  6. Step 6: Final answer
    x = 14,718.35

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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.