Home / 21,501.88-32,256.60-9,816.28

Finding the Fourth Proportional to 21,501.88, 32,256.60 and 9,816.28

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Solution

The fourth proportional to 21,501.88, 32,256.60 and 9,816.28 is: 14,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,501.88 : 32,256.60 = 9,816.28 : x
  2. Step 2: Convert to fraction form
    21,501.88/32,256.60 = 9,816.28/x
  3. Step 3: Cross multiply
    21,501.88x = 32,256.60 × 9,816.28
  4. Step 4: Simplify right side
    21,501.88x = 316,639,817.45
  5. Step 5: Solve for x
    x = 316,639,817.45/21,501.88
  6. Step 6: Final answer
    x = 14,726.15

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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.