Home / 14,148.65-21,215.28-5,707.64

Finding the Fourth Proportional to 14,148.65, 21,215.28 and 5,707.64

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Solution

The fourth proportional to 14,148.65, 21,215.28 and 5,707.64 is: 8,558.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.65 : 21,215.28 = 5,707.64 : x
  2. Step 2: Convert to fraction form
    14,148.65/21,215.28 = 5,707.64/x
  3. Step 3: Cross multiply
    14,148.65x = 21,215.28 × 5,707.64
  4. Step 4: Simplify right side
    14,148.65x = 121,089,180.74
  5. Step 5: Solve for x
    x = 121,089,180.74/14,148.65
  6. Step 6: Final answer
    x = 8,558.36

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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.