Home / 13,959.08-19,263.30-7,671.32

Finding the Fourth Proportional to 13,959.08, 19,263.30 and 7,671.32

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Solution

The fourth proportional to 13,959.08, 19,263.30 and 7,671.32 is: 10,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.08 : 19,263.30 = 7,671.32 : x
  2. Step 2: Convert to fraction form
    13,959.08/19,263.30 = 7,671.32/x
  3. Step 3: Cross multiply
    13,959.08x = 19,263.30 × 7,671.32
  4. Step 4: Simplify right side
    13,959.08x = 147,774,842.24
  5. Step 5: Solve for x
    x = 147,774,842.24/13,959.08
  6. Step 6: Final answer
    x = 10,586.29

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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.