Home / 13,476.77-20,203.40-5,574.35

Finding the Fourth Proportional to 13,476.77, 20,203.40 and 5,574.35

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Solution

The fourth proportional to 13,476.77, 20,203.40 and 5,574.35 is: 8,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.77 : 20,203.40 = 5,574.35 : x
  2. Step 2: Convert to fraction form
    13,476.77/20,203.40 = 5,574.35/x
  3. Step 3: Cross multiply
    13,476.77x = 20,203.40 × 5,574.35
  4. Step 4: Simplify right side
    13,476.77x = 112,620,887.23
  5. Step 5: Solve for x
    x = 112,620,887.23/13,476.77
  6. Step 6: Final answer
    x = 8,356.67

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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.