Home / 14,154.63-19,533.20-7,866.87

Finding the Fourth Proportional to 14,154.63, 19,533.20 and 7,866.87

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Solution

The fourth proportional to 14,154.63, 19,533.20 and 7,866.87 is: 10,856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.63 : 19,533.20 = 7,866.87 : x
  2. Step 2: Convert to fraction form
    14,154.63/19,533.20 = 7,866.87/x
  3. Step 3: Cross multiply
    14,154.63x = 19,533.20 × 7,866.87
  4. Step 4: Simplify right side
    14,154.63x = 153,665,105.75
  5. Step 5: Solve for x
    x = 153,665,105.75/14,154.63
  6. Step 6: Final answer
    x = 10,856.17

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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.