Home / 36,880.77-55,326.63-13,505.40

Finding the Fourth Proportional to 36,880.77, 55,326.63 and 13,505.40

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Solution

The fourth proportional to 36,880.77, 55,326.63 and 13,505.40 is: 20,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,880.77 : 55,326.63 = 13,505.40 : x
  2. Step 2: Convert to fraction form
    36,880.77/55,326.63 = 13,505.40/x
  3. Step 3: Cross multiply
    36,880.77x = 55,326.63 × 13,505.40
  4. Step 4: Simplify right side
    36,880.77x = 747,208,268.80
  5. Step 5: Solve for x
    x = 747,208,268.80/36,880.77
  6. Step 6: Final answer
    x = 20,260.10

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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.