Home / 13,016.64-19,526.40-3,783.36

Finding the Fourth Proportional to 13,016.64, 19,526.40 and 3,783.36

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Solution

The fourth proportional to 13,016.64, 19,526.40 and 3,783.36 is: 5,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.64 : 19,526.40 = 3,783.36 : x
  2. Step 2: Convert to fraction form
    13,016.64/19,526.40 = 3,783.36/x
  3. Step 3: Cross multiply
    13,016.64x = 19,526.40 × 3,783.36
  4. Step 4: Simplify right side
    13,016.64x = 73,875,400.70
  5. Step 5: Solve for x
    x = 73,875,400.70/13,016.64
  6. Step 6: Final answer
    x = 5,675.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.