Home / 16,158.40-24,237.60-10,628.80

Finding the Fourth Proportional to 16,158.40, 24,237.60 and 10,628.80

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Solution

The fourth proportional to 16,158.40, 24,237.60 and 10,628.80 is: 15,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,158.40 : 24,237.60 = 10,628.80 : x
  2. Step 2: Convert to fraction form
    16,158.40/24,237.60 = 10,628.80/x
  3. Step 3: Cross multiply
    16,158.40x = 24,237.60 × 10,628.80
  4. Step 4: Simplify right side
    16,158.40x = 257,616,602.88
  5. Step 5: Solve for x
    x = 257,616,602.88/16,158.40
  6. Step 6: Final answer
    x = 15,943.20

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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.