Home / 14,154.66-19,534.26-7,867.05

Finding the Fourth Proportional to 14,154.66, 19,534.26 and 7,867.05

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Solution

The fourth proportional to 14,154.66, 19,534.26 and 7,867.05 is: 10,856.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.66 : 19,534.26 = 7,867.05 : x
  2. Step 2: Convert to fraction form
    14,154.66/19,534.26 = 7,867.05/x
  3. Step 3: Cross multiply
    14,154.66x = 19,534.26 × 7,867.05
  4. Step 4: Simplify right side
    14,154.66x = 153,677,000.13
  5. Step 5: Solve for x
    x = 153,677,000.13/14,154.66
  6. Step 6: Final answer
    x = 10,856.99

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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.