Home / 18,403.21-25,395.55-10,444.35

Finding the Fourth Proportional to 18,403.21, 25,395.55 and 10,444.35

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Solution

The fourth proportional to 18,403.21, 25,395.55 and 10,444.35 is: 14,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.21 : 25,395.55 = 10,444.35 : x
  2. Step 2: Convert to fraction form
    18,403.21/25,395.55 = 10,444.35/x
  3. Step 3: Cross multiply
    18,403.21x = 25,395.55 × 10,444.35
  4. Step 4: Simplify right side
    18,403.21x = 265,240,012.64
  5. Step 5: Solve for x
    x = 265,240,012.64/18,403.21
  6. Step 6: Final answer
    x = 14,412.70

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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.