Home / 18,167.08-25,070.40-10,209.28

Finding the Fourth Proportional to 18,167.08, 25,070.40 and 10,209.28

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Solution

The fourth proportional to 18,167.08, 25,070.40 and 10,209.28 is: 14,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.08 : 25,070.40 = 10,209.28 : x
  2. Step 2: Convert to fraction form
    18,167.08/25,070.40 = 10,209.28/x
  3. Step 3: Cross multiply
    18,167.08x = 25,070.40 × 10,209.28
  4. Step 4: Simplify right side
    18,167.08x = 255,950,733.31
  5. Step 5: Solve for x
    x = 255,950,733.31/18,167.08
  6. Step 6: Final answer
    x = 14,088.71

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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.