Home / 22,160.74-30,582-12,089.26

Finding the Fourth Proportional to 22,160.74, 30,582 and 12,089.26

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Solution

The fourth proportional to 22,160.74, 30,582 and 12,089.26 is: 16,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.74 : 30,582 = 12,089.26 : x
  2. Step 2: Convert to fraction form
    22,160.74/30,582 = 12,089.26/x
  3. Step 3: Cross multiply
    22,160.74x = 30,582 × 12,089.26
  4. Step 4: Simplify right side
    22,160.74x = 369,713,749.32
  5. Step 5: Solve for x
    x = 369,713,749.32/22,160.74
  6. Step 6: Final answer
    x = 16,683.28

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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.