Home / 22,211.48-30,652.39-12,140.35

Finding the Fourth Proportional to 22,211.48, 30,652.39 and 12,140.35

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Solution

The fourth proportional to 22,211.48, 30,652.39 and 12,140.35 is: 16,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211.48 : 30,652.39 = 12,140.35 : x
  2. Step 2: Convert to fraction form
    22,211.48/30,652.39 = 12,140.35/x
  3. Step 3: Cross multiply
    22,211.48x = 30,652.39 × 12,140.35
  4. Step 4: Simplify right side
    22,211.48x = 372,130,681.48
  5. Step 5: Solve for x
    x = 372,130,681.48/22,211.48
  6. Step 6: Final answer
    x = 16,753.98

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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.