Home / 21,932.95-30,267.17-12,501.67

Finding the Fourth Proportional to 21,932.95, 30,267.17 and 12,501.67

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Solution

The fourth proportional to 21,932.95, 30,267.17 and 12,501.67 is: 17,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.95 : 30,267.17 = 12,501.67 : x
  2. Step 2: Convert to fraction form
    21,932.95/30,267.17 = 12,501.67/x
  3. Step 3: Cross multiply
    21,932.95x = 30,267.17 × 12,501.67
  4. Step 4: Simplify right side
    21,932.95x = 378,390,108.67
  5. Step 5: Solve for x
    x = 378,390,108.67/21,932.95
  6. Step 6: Final answer
    x = 17,252.13

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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.