Home / 14,037.81-19,460.88-13,288.76

Finding the Fourth Proportional to 14,037.81, 19,460.88 and 13,288.76

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Solution

The fourth proportional to 14,037.81, 19,460.88 and 13,288.76 is: 18,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.81 : 19,460.88 = 13,288.76 : x
  2. Step 2: Convert to fraction form
    14,037.81/19,460.88 = 13,288.76/x
  3. Step 3: Cross multiply
    14,037.81x = 19,460.88 × 13,288.76
  4. Step 4: Simplify right side
    14,037.81x = 258,610,976.76
  5. Step 5: Solve for x
    x = 258,610,976.76/14,037.81
  6. Step 6: Final answer
    x = 18,422.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.