Home / 23,135.76-31,936.68-14,180.40

Finding the Fourth Proportional to 23,135.76, 31,936.68 and 14,180.40

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Solution

The fourth proportional to 23,135.76, 31,936.68 and 14,180.40 is: 19,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.76 : 31,936.68 = 14,180.40 : x
  2. Step 2: Convert to fraction form
    23,135.76/31,936.68 = 14,180.40/x
  3. Step 3: Cross multiply
    23,135.76x = 31,936.68 × 14,180.40
  4. Step 4: Simplify right side
    23,135.76x = 452,874,897.07
  5. Step 5: Solve for x
    x = 452,874,897.07/23,135.76
  6. Step 6: Final answer
    x = 19,574.67

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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.