Home / 15,518.80-23,259.68-10,813.32

Finding the Fourth Proportional to 15,518.80, 23,259.68 and 10,813.32

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Solution

The fourth proportional to 15,518.80, 23,259.68 and 10,813.32 is: 16,207.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.80 : 23,259.68 = 10,813.32 : x
  2. Step 2: Convert to fraction form
    15,518.80/23,259.68 = 10,813.32/x
  3. Step 3: Cross multiply
    15,518.80x = 23,259.68 × 10,813.32
  4. Step 4: Simplify right side
    15,518.80x = 251,514,362.94
  5. Step 5: Solve for x
    x = 251,514,362.94/15,518.80
  6. Step 6: Final answer
    x = 16,207.08

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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.