Home / 22,130.67-30,539.93-12,059.18

Finding the Fourth Proportional to 22,130.67, 30,539.93 and 12,059.18

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Solution

The fourth proportional to 22,130.67, 30,539.93 and 12,059.18 is: 16,641.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.67 : 30,539.93 = 12,059.18 : x
  2. Step 2: Convert to fraction form
    22,130.67/30,539.93 = 12,059.18/x
  3. Step 3: Cross multiply
    22,130.67x = 30,539.93 × 12,059.18
  4. Step 4: Simplify right side
    22,130.67x = 368,286,513.06
  5. Step 5: Solve for x
    x = 368,286,513.06/22,130.67
  6. Step 6: Final answer
    x = 16,641.45

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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.