Home / 13,264.32-19,896.48-7,432.32

Finding the Fourth Proportional to 13,264.32, 19,896.48 and 7,432.32

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Solution

The fourth proportional to 13,264.32, 19,896.48 and 7,432.32 is: 11,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.32 : 19,896.48 = 7,432.32 : x
  2. Step 2: Convert to fraction form
    13,264.32/19,896.48 = 7,432.32/x
  3. Step 3: Cross multiply
    13,264.32x = 19,896.48 × 7,432.32
  4. Step 4: Simplify right side
    13,264.32x = 147,877,006.23
  5. Step 5: Solve for x
    x = 147,877,006.23/13,264.32
  6. Step 6: Final answer
    x = 11,148.48

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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.