Home / 17,458.60-26,159.10-16,421.80

Finding the Fourth Proportional to 17,458.60, 26,159.10 and 16,421.80

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Solution

The fourth proportional to 17,458.60, 26,159.10 and 16,421.80 is: 24,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,458.60 : 26,159.10 = 16,421.80 : x
  2. Step 2: Convert to fraction form
    17,458.60/26,159.10 = 16,421.80/x
  3. Step 3: Cross multiply
    17,458.60x = 26,159.10 × 16,421.80
  4. Step 4: Simplify right side
    17,458.60x = 429,579,508.38
  5. Step 5: Solve for x
    x = 429,579,508.38/17,458.60
  6. Step 6: Final answer
    x = 24,605.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.