Home / 25,578.28-35,298.03-14,400.28

Finding the Fourth Proportional to 25,578.28, 35,298.03 and 14,400.28

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Solution

The fourth proportional to 25,578.28, 35,298.03 and 14,400.28 is: 19,872.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578.28 : 35,298.03 = 14,400.28 : x
  2. Step 2: Convert to fraction form
    25,578.28/35,298.03 = 14,400.28/x
  3. Step 3: Cross multiply
    25,578.28x = 35,298.03 × 14,400.28
  4. Step 4: Simplify right side
    25,578.28x = 508,301,532.57
  5. Step 5: Solve for x
    x = 508,301,532.57/25,578.28
  6. Step 6: Final answer
    x = 19,872.39

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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.