Home / 13,536.09-20,282.85-10,412.32

Finding the Fourth Proportional to 13,536.09, 20,282.85 and 10,412.32

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Solution

The fourth proportional to 13,536.09, 20,282.85 and 10,412.32 is: 15,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.09 : 20,282.85 = 10,412.32 : x
  2. Step 2: Convert to fraction form
    13,536.09/20,282.85 = 10,412.32/x
  3. Step 3: Cross multiply
    13,536.09x = 20,282.85 × 10,412.32
  4. Step 4: Simplify right side
    13,536.09x = 211,191,524.71
  5. Step 5: Solve for x
    x = 211,191,524.71/13,536.09
  6. Step 6: Final answer
    x = 15,602.11

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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.