Home / 22,130.12-30,537.06-12,701.72

Finding the Fourth Proportional to 22,130.12, 30,537.06 and 12,701.72

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Solution

The fourth proportional to 22,130.12, 30,537.06 and 12,701.72 is: 17,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.12 : 30,537.06 = 12,701.72 : x
  2. Step 2: Convert to fraction form
    22,130.12/30,537.06 = 12,701.72/x
  3. Step 3: Cross multiply
    22,130.12x = 30,537.06 × 12,701.72
  4. Step 4: Simplify right side
    22,130.12x = 387,873,185.74
  5. Step 5: Solve for x
    x = 387,873,185.74/22,130.12
  6. Step 6: Final answer
    x = 17,526.94

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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.