Home / 18,573.53-25,631.37-10,075.64

Finding the Fourth Proportional to 18,573.53, 25,631.37 and 10,075.64

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Solution

The fourth proportional to 18,573.53, 25,631.37 and 10,075.64 is: 13,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.53 : 25,631.37 = 10,075.64 : x
  2. Step 2: Convert to fraction form
    18,573.53/25,631.37 = 10,075.64/x
  3. Step 3: Cross multiply
    18,573.53x = 25,631.37 × 10,075.64
  4. Step 4: Simplify right side
    18,573.53x = 258,252,328.67
  5. Step 5: Solve for x
    x = 258,252,328.67/18,573.53
  6. Step 6: Final answer
    x = 13,904.33

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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.