Home / 25,585.47-35,298.58-15,506.64

Finding the Fourth Proportional to 25,585.47, 35,298.58 and 15,506.64

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Solution

The fourth proportional to 25,585.47, 35,298.58 and 15,506.64 is: 21,393.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,585.47 : 35,298.58 = 15,506.64 : x
  2. Step 2: Convert to fraction form
    25,585.47/35,298.58 = 15,506.64/x
  3. Step 3: Cross multiply
    25,585.47x = 35,298.58 × 15,506.64
  4. Step 4: Simplify right side
    25,585.47x = 547,362,372.57
  5. Step 5: Solve for x
    x = 547,362,372.57/25,585.47
  6. Step 6: Final answer
    x = 21,393.49

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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.