Home / 18,370.85-25,349.84-10,816.69

Finding the Fourth Proportional to 18,370.85, 25,349.84 and 10,816.69

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Solution

The fourth proportional to 18,370.85, 25,349.84 and 10,816.69 is: 14,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.85 : 25,349.84 = 10,816.69 : x
  2. Step 2: Convert to fraction form
    18,370.85/25,349.84 = 10,816.69/x
  3. Step 3: Cross multiply
    18,370.85x = 25,349.84 × 10,816.69
  4. Step 4: Simplify right side
    18,370.85x = 274,201,301.04
  5. Step 5: Solve for x
    x = 274,201,301.04/18,370.85
  6. Step 6: Final answer
    x = 14,925.89

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Half scale
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Double scale
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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.