Home / 25,470.47-35,148.58-14,139.63

Finding the Fourth Proportional to 25,470.47, 35,148.58 and 14,139.63

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Solution

The fourth proportional to 25,470.47, 35,148.58 and 14,139.63 is: 19,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.47 : 35,148.58 = 14,139.63 : x
  2. Step 2: Convert to fraction form
    25,470.47/35,148.58 = 14,139.63/x
  3. Step 3: Cross multiply
    25,470.47x = 35,148.58 × 14,139.63
  4. Step 4: Simplify right side
    25,470.47x = 496,987,916.23
  5. Step 5: Solve for x
    x = 496,987,916.23/25,470.47
  6. Step 6: Final answer
    x = 19,512.32

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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.