Home / 16,615.28-22,916.12-10,647.50

Finding the Fourth Proportional to 16,615.28, 22,916.12 and 10,647.50

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Solution

The fourth proportional to 16,615.28, 22,916.12 and 10,647.50 is: 14,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.28 : 22,916.12 = 10,647.50 : x
  2. Step 2: Convert to fraction form
    16,615.28/22,916.12 = 10,647.50/x
  3. Step 3: Cross multiply
    16,615.28x = 22,916.12 × 10,647.50
  4. Step 4: Simplify right side
    16,615.28x = 243,999,451.64
  5. Step 5: Solve for x
    x = 243,999,451.64/16,615.28
  6. Step 6: Final answer
    x = 14,685.25

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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.