Home / 25,368.59-35,022.74-15,299.58

Finding the Fourth Proportional to 25,368.59, 35,022.74 and 15,299.58

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Solution

The fourth proportional to 25,368.59, 35,022.74 and 15,299.58 is: 21,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,368.59 : 35,022.74 = 15,299.58 : x
  2. Step 2: Convert to fraction form
    25,368.59/35,022.74 = 15,299.58/x
  3. Step 3: Cross multiply
    25,368.59x = 35,022.74 × 15,299.58
  4. Step 4: Simplify right side
    25,368.59x = 535,833,267.29
  5. Step 5: Solve for x
    x = 535,833,267.29/25,368.59
  6. Step 6: Final answer
    x = 21,121.92

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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.