Home / 25,453.85-35,124.71-15,376.32

Finding the Fourth Proportional to 25,453.85, 35,124.71 and 15,376.32

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Solution

The fourth proportional to 25,453.85, 35,124.71 and 15,376.32 is: 21,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.85 : 35,124.71 = 15,376.32 : x
  2. Step 2: Convert to fraction form
    25,453.85/35,124.71 = 15,376.32/x
  3. Step 3: Cross multiply
    25,453.85x = 35,124.71 × 15,376.32
  4. Step 4: Simplify right side
    25,453.85x = 540,088,703.99
  5. Step 5: Solve for x
    x = 540,088,703.99/25,453.85
  6. Step 6: Final answer
    x = 21,218.35

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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.