Home / 22,160.17-30,581.18-12,088.77

Finding the Fourth Proportional to 22,160.17, 30,581.18 and 12,088.77

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Solution

The fourth proportional to 22,160.17, 30,581.18 and 12,088.77 is: 16,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.17 : 30,581.18 = 12,088.77 : x
  2. Step 2: Convert to fraction form
    22,160.17/30,581.18 = 12,088.77/x
  3. Step 3: Cross multiply
    22,160.17x = 30,581.18 × 12,088.77
  4. Step 4: Simplify right side
    22,160.17x = 369,688,851.35
  5. Step 5: Solve for x
    x = 369,688,851.35/22,160.17
  6. Step 6: Final answer
    x = 16,682.58

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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.