Home / 23,070.41-31,834.88-13,000.64

Finding the Fourth Proportional to 23,070.41, 31,834.88 and 13,000.64

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Solution

The fourth proportional to 23,070.41, 31,834.88 and 13,000.64 is: 17,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,070.41 : 31,834.88 = 13,000.64 : x
  2. Step 2: Convert to fraction form
    23,070.41/31,834.88 = 13,000.64/x
  3. Step 3: Cross multiply
    23,070.41x = 31,834.88 × 13,000.64
  4. Step 4: Simplify right side
    23,070.41x = 413,873,814.32
  5. Step 5: Solve for x
    x = 413,873,814.32/23,070.41
  6. Step 6: Final answer
    x = 17,939.60

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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.