Home / 30,421.76-45,567.92-14,603.46

Finding the Fourth Proportional to 30,421.76, 45,567.92 and 14,603.46

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Solution

The fourth proportional to 30,421.76, 45,567.92 and 14,603.46 is: 21,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,421.76 : 45,567.92 = 14,603.46 : x
  2. Step 2: Convert to fraction form
    30,421.76/45,567.92 = 14,603.46/x
  3. Step 3: Cross multiply
    30,421.76x = 45,567.92 × 14,603.46
  4. Step 4: Simplify right side
    30,421.76x = 665,449,297.00
  5. Step 5: Solve for x
    x = 665,449,297.00/30,421.76
  6. Step 6: Final answer
    x = 21,874.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.