Home / 42,110.98-63,145.34-14,021.14

Finding the Fourth Proportional to 42,110.98, 63,145.34 and 14,021.14

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Solution

The fourth proportional to 42,110.98, 63,145.34 and 14,021.14 is: 21,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,110.98 : 63,145.34 = 14,021.14 : x
  2. Step 2: Convert to fraction form
    42,110.98/63,145.34 = 14,021.14/x
  3. Step 3: Cross multiply
    42,110.98x = 63,145.34 × 14,021.14
  4. Step 4: Simplify right side
    42,110.98x = 885,369,652.49
  5. Step 5: Solve for x
    x = 885,369,652.49/42,110.98
  6. Step 6: Final answer
    x = 21,024.67

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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.