Home / 25,470.29-35,154.50-19,436.21

Finding the Fourth Proportional to 25,470.29, 35,154.50 and 19,436.21

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Solution

The fourth proportional to 25,470.29, 35,154.50 and 19,436.21 is: 26,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.29 : 35,154.50 = 19,436.21 : x
  2. Step 2: Convert to fraction form
    25,470.29/35,154.50 = 19,436.21/x
  3. Step 3: Cross multiply
    25,470.29x = 35,154.50 × 19,436.21
  4. Step 4: Simplify right side
    25,470.29x = 683,269,971.49
  5. Step 5: Solve for x
    x = 683,269,971.49/25,470.29
  6. Step 6: Final answer
    x = 26,826.16

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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.