Home / 14,416.48-21,607.35-9,421.21

Finding the Fourth Proportional to 14,416.48, 21,607.35 and 9,421.21

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Solution

The fourth proportional to 14,416.48, 21,607.35 and 9,421.21 is: 14,120.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,416.48 : 21,607.35 = 9,421.21 : x
  2. Step 2: Convert to fraction form
    14,416.48/21,607.35 = 9,421.21/x
  3. Step 3: Cross multiply
    14,416.48x = 21,607.35 × 9,421.21
  4. Step 4: Simplify right side
    14,416.48x = 203,567,381.89
  5. Step 5: Solve for x
    x = 203,567,381.89/14,416.48
  6. Step 6: Final answer
    x = 14,120.46

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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.