Home / 14,066.64-19,355.43-13,581.84

Finding the Fourth Proportional to 14,066.64, 19,355.43 and 13,581.84

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Solution

The fourth proportional to 14,066.64, 19,355.43 and 13,581.84 is: 18,688.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.64 : 19,355.43 = 13,581.84 : x
  2. Step 2: Convert to fraction form
    14,066.64/19,355.43 = 13,581.84/x
  3. Step 3: Cross multiply
    14,066.64x = 19,355.43 × 13,581.84
  4. Step 4: Simplify right side
    14,066.64x = 262,882,353.39
  5. Step 5: Solve for x
    x = 262,882,353.39/14,066.64
  6. Step 6: Final answer
    x = 18,688.35

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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.