Home / 23,063.70-31,830.90-12,994.08

Finding the Fourth Proportional to 23,063.70, 31,830.90 and 12,994.08

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Solution

The fourth proportional to 23,063.70, 31,830.90 and 12,994.08 is: 17,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,063.70 : 31,830.90 = 12,994.08 : x
  2. Step 2: Convert to fraction form
    23,063.70/31,830.90 = 12,994.08/x
  3. Step 3: Cross multiply
    23,063.70x = 31,830.90 × 12,994.08
  4. Step 4: Simplify right side
    23,063.70x = 413,613,261.07
  5. Step 5: Solve for x
    x = 413,613,261.07/23,063.70
  6. Step 6: Final answer
    x = 17,933.52

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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.