Home / 15,848.55-21,857.71-10,184.22

Finding the Fourth Proportional to 15,848.55, 21,857.71 and 10,184.22

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Solution

The fourth proportional to 15,848.55, 21,857.71 and 10,184.22 is: 14,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.55 : 21,857.71 = 10,184.22 : x
  2. Step 2: Convert to fraction form
    15,848.55/21,857.71 = 10,184.22/x
  3. Step 3: Cross multiply
    15,848.55x = 21,857.71 × 10,184.22
  4. Step 4: Simplify right side
    15,848.55x = 222,603,727.34
  5. Step 5: Solve for x
    x = 222,603,727.34/15,848.55
  6. Step 6: Final answer
    x = 14,045.68

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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.