Home / 14,985.28-22,478.88-6,220.88

Finding the Fourth Proportional to 14,985.28, 22,478.88 and 6,220.88

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Solution

The fourth proportional to 14,985.28, 22,478.88 and 6,220.88 is: 9,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.28 : 22,478.88 = 6,220.88 : x
  2. Step 2: Convert to fraction form
    14,985.28/22,478.88 = 6,220.88/x
  3. Step 3: Cross multiply
    14,985.28x = 22,478.88 × 6,220.88
  4. Step 4: Simplify right side
    14,985.28x = 139,838,415.01
  5. Step 5: Solve for x
    x = 139,838,415.01/14,985.28
  6. Step 6: Final answer
    x = 9,331.72

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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.