Home / 19,570.56-29,358.30-6,424.32

Finding the Fourth Proportional to 19,570.56, 29,358.30 and 6,424.32

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Solution

The fourth proportional to 19,570.56, 29,358.30 and 6,424.32 is: 9,637.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.56 : 29,358.30 = 6,424.32 : x
  2. Step 2: Convert to fraction form
    19,570.56/29,358.30 = 6,424.32/x
  3. Step 3: Cross multiply
    19,570.56x = 29,358.30 × 6,424.32
  4. Step 4: Simplify right side
    19,570.56x = 188,607,113.86
  5. Step 5: Solve for x
    x = 188,607,113.86/19,570.56
  6. Step 6: Final answer
    x = 9,637.29

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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.