Home / 18,453.68-25,465.98-10,070.18

Finding the Fourth Proportional to 18,453.68, 25,465.98 and 10,070.18

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Solution

The fourth proportional to 18,453.68, 25,465.98 and 10,070.18 is: 13,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.68 : 25,465.98 = 10,070.18 : x
  2. Step 2: Convert to fraction form
    18,453.68/25,465.98 = 10,070.18/x
  3. Step 3: Cross multiply
    18,453.68x = 25,465.98 × 10,070.18
  4. Step 4: Simplify right side
    18,453.68x = 256,447,002.48
  5. Step 5: Solve for x
    x = 256,447,002.48/18,453.68
  6. Step 6: Final answer
    x = 13,896.79

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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.