Home / 13,441.46-18,547.88-7,472.52

Finding the Fourth Proportional to 13,441.46, 18,547.88 and 7,472.52

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Solution

The fourth proportional to 13,441.46, 18,547.88 and 7,472.52 is: 10,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.46 : 18,547.88 = 7,472.52 : x
  2. Step 2: Convert to fraction form
    13,441.46/18,547.88 = 7,472.52/x
  3. Step 3: Cross multiply
    13,441.46x = 18,547.88 × 7,472.52
  4. Step 4: Simplify right side
    13,441.46x = 138,599,366.90
  5. Step 5: Solve for x
    x = 138,599,366.90/13,441.46
  6. Step 6: Final answer
    x = 10,311.34

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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.