Home / 23,068.51-31,835.62-12,860.22

Finding the Fourth Proportional to 23,068.51, 31,835.62 and 12,860.22

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Solution

The fourth proportional to 23,068.51, 31,835.62 and 12,860.22 is: 17,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,068.51 : 31,835.62 = 12,860.22 : x
  2. Step 2: Convert to fraction form
    23,068.51/31,835.62 = 12,860.22/x
  3. Step 3: Cross multiply
    23,068.51x = 31,835.62 × 12,860.22
  4. Step 4: Simplify right side
    23,068.51x = 409,412,961.08
  5. Step 5: Solve for x
    x = 409,412,961.08/23,068.51
  6. Step 6: Final answer
    x = 17,747.70

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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.