Home / 17,518.52-26,230.80-10,931.60

Finding the Fourth Proportional to 17,518.52, 26,230.80 and 10,931.60

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Solution

The fourth proportional to 17,518.52, 26,230.80 and 10,931.60 is: 16,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.52 : 26,230.80 = 10,931.60 : x
  2. Step 2: Convert to fraction form
    17,518.52/26,230.80 = 10,931.60/x
  3. Step 3: Cross multiply
    17,518.52x = 26,230.80 × 10,931.60
  4. Step 4: Simplify right side
    17,518.52x = 286,744,613.28
  5. Step 5: Solve for x
    x = 286,744,613.28/17,518.52
  6. Step 6: Final answer
    x = 16,368.08

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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.