Home / 25,445.70-38,156.68-14,918.94

Finding the Fourth Proportional to 25,445.70, 38,156.68 and 14,918.94

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Solution

The fourth proportional to 25,445.70, 38,156.68 and 14,918.94 is: 22,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.70 : 38,156.68 = 14,918.94 : x
  2. Step 2: Convert to fraction form
    25,445.70/38,156.68 = 14,918.94/x
  3. Step 3: Cross multiply
    25,445.70x = 38,156.68 × 14,918.94
  4. Step 4: Simplify right side
    25,445.70x = 569,257,219.52
  5. Step 5: Solve for x
    x = 569,257,219.52/25,445.70
  6. Step 6: Final answer
    x = 22,371.45

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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.