Home / 13,472.10-20,210.59-5,570.32

Finding the Fourth Proportional to 13,472.10, 20,210.59 and 5,570.32

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Solution

The fourth proportional to 13,472.10, 20,210.59 and 5,570.32 is: 8,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.10 : 20,210.59 = 5,570.32 : x
  2. Step 2: Convert to fraction form
    13,472.10/20,210.59 = 5,570.32/x
  3. Step 3: Cross multiply
    13,472.10x = 20,210.59 × 5,570.32
  4. Step 4: Simplify right side
    13,472.10x = 112,579,453.69
  5. Step 5: Solve for x
    x = 112,579,453.69/13,472.10
  6. Step 6: Final answer
    x = 8,356.49

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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.