Home / 18,421.77-25,422.08-10,038.27

Finding the Fourth Proportional to 18,421.77, 25,422.08 and 10,038.27

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Solution

The fourth proportional to 18,421.77, 25,422.08 and 10,038.27 is: 13,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421.77 : 25,422.08 = 10,038.27 : x
  2. Step 2: Convert to fraction form
    18,421.77/25,422.08 = 10,038.27/x
  3. Step 3: Cross multiply
    18,421.77x = 25,422.08 × 10,038.27
  4. Step 4: Simplify right side
    18,421.77x = 255,193,652.81
  5. Step 5: Solve for x
    x = 255,193,652.81/18,421.77
  6. Step 6: Final answer
    x = 13,852.83

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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.