Home / 13,960.08-19,264.68-7,672.32

Finding the Fourth Proportional to 13,960.08, 19,264.68 and 7,672.32

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Solution

The fourth proportional to 13,960.08, 19,264.68 and 7,672.32 is: 10,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.08 : 19,264.68 = 7,672.32 : x
  2. Step 2: Convert to fraction form
    13,960.08/19,264.68 = 7,672.32/x
  3. Step 3: Cross multiply
    13,960.08x = 19,264.68 × 7,672.32
  4. Step 4: Simplify right side
    13,960.08x = 147,804,789.66
  5. Step 5: Solve for x
    x = 147,804,789.66/13,960.08
  6. Step 6: Final answer
    x = 10,587.67

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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.