Home / 25,560.84-35,275.58-15,490.17

Finding the Fourth Proportional to 25,560.84, 35,275.58 and 15,490.17

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Solution

The fourth proportional to 25,560.84, 35,275.58 and 15,490.17 is: 21,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,560.84 : 35,275.58 = 15,490.17 : x
  2. Step 2: Convert to fraction form
    25,560.84/35,275.58 = 15,490.17/x
  3. Step 3: Cross multiply
    25,560.84x = 35,275.58 × 15,490.17
  4. Step 4: Simplify right side
    25,560.84x = 546,424,653.60
  5. Step 5: Solve for x
    x = 546,424,653.60/25,560.84
  6. Step 6: Final answer
    x = 21,377.41

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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.