Home / 18,590.10-27,885.42-14,875.20

Finding the Fourth Proportional to 18,590.10, 27,885.42 and 14,875.20

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Solution

The fourth proportional to 18,590.10, 27,885.42 and 14,875.20 is: 22,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.10 : 27,885.42 = 14,875.20 : x
  2. Step 2: Convert to fraction form
    18,590.10/27,885.42 = 14,875.20/x
  3. Step 3: Cross multiply
    18,590.10x = 27,885.42 × 14,875.20
  4. Step 4: Simplify right side
    18,590.10x = 414,801,199.58
  5. Step 5: Solve for x
    x = 414,801,199.58/18,590.10
  6. Step 6: Final answer
    x = 22,313.02

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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.