Home / 17,835.66-24,613.20-9,878.40

Finding the Fourth Proportional to 17,835.66, 24,613.20 and 9,878.40

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Solution

The fourth proportional to 17,835.66, 24,613.20 and 9,878.40 is: 13,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,835.66 : 24,613.20 = 9,878.40 : x
  2. Step 2: Convert to fraction form
    17,835.66/24,613.20 = 9,878.40/x
  3. Step 3: Cross multiply
    17,835.66x = 24,613.20 × 9,878.40
  4. Step 4: Simplify right side
    17,835.66x = 243,139,034.88
  5. Step 5: Solve for x
    x = 243,139,034.88/17,835.66
  6. Step 6: Final answer
    x = 13,632.19

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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.