Home / 23,036.32-31,780.11-14,084.20

Finding the Fourth Proportional to 23,036.32, 31,780.11 and 14,084.20

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Solution

The fourth proportional to 23,036.32, 31,780.11 and 14,084.20 is: 19,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,036.32 : 31,780.11 = 14,084.20 : x
  2. Step 2: Convert to fraction form
    23,036.32/31,780.11 = 14,084.20/x
  3. Step 3: Cross multiply
    23,036.32x = 31,780.11 × 14,084.20
  4. Step 4: Simplify right side
    23,036.32x = 447,597,425.26
  5. Step 5: Solve for x
    x = 447,597,425.26/23,036.32
  6. Step 6: Final answer
    x = 19,430.07

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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.