Home / 21,341.18-32,011.35-9,646.22

Finding the Fourth Proportional to 21,341.18, 32,011.35 and 9,646.22

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Solution

The fourth proportional to 21,341.18, 32,011.35 and 9,646.22 is: 14,469.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341.18 : 32,011.35 = 9,646.22 : x
  2. Step 2: Convert to fraction form
    21,341.18/32,011.35 = 9,646.22/x
  3. Step 3: Cross multiply
    21,341.18x = 32,011.35 × 9,646.22
  4. Step 4: Simplify right side
    21,341.18x = 308,788,524.60
  5. Step 5: Solve for x
    x = 308,788,524.60/21,341.18
  6. Step 6: Final answer
    x = 14,469.14

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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.