Home / 14,406.57-19,867.85-9,875.83

Finding the Fourth Proportional to 14,406.57, 19,867.85 and 9,875.83

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Solution

The fourth proportional to 14,406.57, 19,867.85 and 9,875.83 is: 13,619.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.57 : 19,867.85 = 9,875.83 : x
  2. Step 2: Convert to fraction form
    14,406.57/19,867.85 = 9,875.83/x
  3. Step 3: Cross multiply
    14,406.57x = 19,867.85 × 9,875.83
  4. Step 4: Simplify right side
    14,406.57x = 196,211,459.69
  5. Step 5: Solve for x
    x = 196,211,459.69/14,406.57
  6. Step 6: Final answer
    x = 13,619.59

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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.