Home / 13,351.32-19,953-12,583.08

Finding the Fourth Proportional to 13,351.32, 19,953 and 12,583.08

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Solution

The fourth proportional to 13,351.32, 19,953 and 12,583.08 is: 18,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.32 : 19,953 = 12,583.08 : x
  2. Step 2: Convert to fraction form
    13,351.32/19,953 = 12,583.08/x
  3. Step 3: Cross multiply
    13,351.32x = 19,953 × 12,583.08
  4. Step 4: Simplify right side
    13,351.32x = 251,070,195.24
  5. Step 5: Solve for x
    x = 251,070,195.24/13,351.32
  6. Step 6: Final answer
    x = 18,804.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.