Home / 18,587.21-25,649.93-10,089.35

Finding the Fourth Proportional to 18,587.21, 25,649.93 and 10,089.35

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Solution

The fourth proportional to 18,587.21, 25,649.93 and 10,089.35 is: 13,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.21 : 25,649.93 = 10,089.35 : x
  2. Step 2: Convert to fraction form
    18,587.21/25,649.93 = 10,089.35/x
  3. Step 3: Cross multiply
    18,587.21x = 25,649.93 × 10,089.35
  4. Step 4: Simplify right side
    18,587.21x = 258,791,018.22
  5. Step 5: Solve for x
    x = 258,791,018.22/18,587.21
  6. Step 6: Final answer
    x = 13,923.07

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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.