Home / 18,403.04-25,396.16-10,019.52

Finding the Fourth Proportional to 18,403.04, 25,396.16 and 10,019.52

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Solution

The fourth proportional to 18,403.04, 25,396.16 and 10,019.52 is: 13,826.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.04 : 25,396.16 = 10,019.52 : x
  2. Step 2: Convert to fraction form
    18,403.04/25,396.16 = 10,019.52/x
  3. Step 3: Cross multiply
    18,403.04x = 25,396.16 × 10,019.52
  4. Step 4: Simplify right side
    18,403.04x = 254,457,333.04
  5. Step 5: Solve for x
    x = 254,457,333.04/18,403.04
  6. Step 6: Final answer
    x = 13,826.92

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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.