Home / 14,987.61-22,481.40-4,457.59

Finding the Fourth Proportional to 14,987.61, 22,481.40 and 4,457.59

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Solution

The fourth proportional to 14,987.61, 22,481.40 and 4,457.59 is: 6,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.61 : 22,481.40 = 4,457.59 : x
  2. Step 2: Convert to fraction form
    14,987.61/22,481.40 = 4,457.59/x
  3. Step 3: Cross multiply
    14,987.61x = 22,481.40 × 4,457.59
  4. Step 4: Simplify right side
    14,987.61x = 100,212,807.62
  5. Step 5: Solve for x
    x = 100,212,807.62/14,987.61
  6. Step 6: Final answer
    x = 6,686.38

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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.