Home / 18,485.04-25,509.72-10,101.84

Finding the Fourth Proportional to 18,485.04, 25,509.72 and 10,101.84

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Solution

The fourth proportional to 18,485.04, 25,509.72 and 10,101.84 is: 13,940.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.04 : 25,509.72 = 10,101.84 : x
  2. Step 2: Convert to fraction form
    18,485.04/25,509.72 = 10,101.84/x
  3. Step 3: Cross multiply
    18,485.04x = 25,509.72 × 10,101.84
  4. Step 4: Simplify right side
    18,485.04x = 257,695,109.88
  5. Step 5: Solve for x
    x = 257,695,109.88/18,485.04
  6. Step 6: Final answer
    x = 13,940.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.