Home / 21,675.81-32,511.35-14,700.63

Finding the Fourth Proportional to 21,675.81, 32,511.35 and 14,700.63

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Solution

The fourth proportional to 21,675.81, 32,511.35 and 14,700.63 is: 22,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675.81 : 32,511.35 = 14,700.63 : x
  2. Step 2: Convert to fraction form
    21,675.81/32,511.35 = 14,700.63/x
  3. Step 3: Cross multiply
    21,675.81x = 32,511.35 × 14,700.63
  4. Step 4: Simplify right side
    21,675.81x = 477,937,363.90
  5. Step 5: Solve for x
    x = 477,937,363.90/21,675.81
  6. Step 6: Final answer
    x = 22,049.34

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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.