Home / 16,973.48-25,478.84-13,485.90

Finding the Fourth Proportional to 16,973.48, 25,478.84 and 13,485.90

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Solution

The fourth proportional to 16,973.48, 25,478.84 and 13,485.90 is: 20,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,973.48 : 25,478.84 = 13,485.90 : x
  2. Step 2: Convert to fraction form
    16,973.48/25,478.84 = 13,485.90/x
  3. Step 3: Cross multiply
    16,973.48x = 25,478.84 × 13,485.90
  4. Step 4: Simplify right side
    16,973.48x = 343,605,088.36
  5. Step 5: Solve for x
    x = 343,605,088.36/16,973.48
  6. Step 6: Final answer
    x = 20,243.64

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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.