Home / 22,160.36-30,581.04-12,088.76

Finding the Fourth Proportional to 22,160.36, 30,581.04 and 12,088.76

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Solution

The fourth proportional to 22,160.36, 30,581.04 and 12,088.76 is: 16,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.36 : 30,581.04 = 12,088.76 : x
  2. Step 2: Convert to fraction form
    22,160.36/30,581.04 = 12,088.76/x
  3. Step 3: Cross multiply
    22,160.36x = 30,581.04 × 12,088.76
  4. Step 4: Simplify right side
    22,160.36x = 369,686,853.11
  5. Step 5: Solve for x
    x = 369,686,853.11/22,160.36
  6. Step 6: Final answer
    x = 16,682.35

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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.