Home / 22,254.13-30,711.54-12,822.67

Finding the Fourth Proportional to 22,254.13, 30,711.54 and 12,822.67

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Solution

The fourth proportional to 22,254.13, 30,711.54 and 12,822.67 is: 17,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,254.13 : 30,711.54 = 12,822.67 : x
  2. Step 2: Convert to fraction form
    22,254.13/30,711.54 = 12,822.67/x
  3. Step 3: Cross multiply
    22,254.13x = 30,711.54 × 12,822.67
  4. Step 4: Simplify right side
    22,254.13x = 393,803,942.61
  5. Step 5: Solve for x
    x = 393,803,942.61/22,254.13
  6. Step 6: Final answer
    x = 17,695.77

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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.