Home / 13,505.49-20,267.35-4,740.48

Finding the Fourth Proportional to 13,505.49, 20,267.35 and 4,740.48

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Solution

The fourth proportional to 13,505.49, 20,267.35 and 4,740.48 is: 7,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.49 : 20,267.35 = 4,740.48 : x
  2. Step 2: Convert to fraction form
    13,505.49/20,267.35 = 4,740.48/x
  3. Step 3: Cross multiply
    13,505.49x = 20,267.35 × 4,740.48
  4. Step 4: Simplify right side
    13,505.49x = 96,076,955.48
  5. Step 5: Solve for x
    x = 96,076,955.48/13,505.49
  6. Step 6: Final answer
    x = 7,113.92

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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.