Home / 14,814.58-20,457.76-9,518.62

Finding the Fourth Proportional to 14,814.58, 20,457.76 and 9,518.62

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Solution

The fourth proportional to 14,814.58, 20,457.76 and 9,518.62 is: 13,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.58 : 20,457.76 = 9,518.62 : x
  2. Step 2: Convert to fraction form
    14,814.58/20,457.76 = 9,518.62/x
  3. Step 3: Cross multiply
    14,814.58x = 20,457.76 × 9,518.62
  4. Step 4: Simplify right side
    14,814.58x = 194,729,643.49
  5. Step 5: Solve for x
    x = 194,729,643.49/14,814.58
  6. Step 6: Final answer
    x = 13,144.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.