Home / 12,038.32-16,577.76-10,269.28

Finding the Fourth Proportional to 12,038.32, 16,577.76 and 10,269.28

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Solution

The fourth proportional to 12,038.32, 16,577.76 and 10,269.28 is: 14,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.32 : 16,577.76 = 10,269.28 : x
  2. Step 2: Convert to fraction form
    12,038.32/16,577.76 = 10,269.28/x
  3. Step 3: Cross multiply
    12,038.32x = 16,577.76 × 10,269.28
  4. Step 4: Simplify right side
    12,038.32x = 170,241,659.21
  5. Step 5: Solve for x
    x = 170,241,659.21/12,038.32
  6. Step 6: Final answer
    x = 14,141.65

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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.