Home / 18,437.07-25,443.26-10,479.30

Finding the Fourth Proportional to 18,437.07, 25,443.26 and 10,479.30

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Solution

The fourth proportional to 18,437.07, 25,443.26 and 10,479.30 is: 14,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.07 : 25,443.26 = 10,479.30 : x
  2. Step 2: Convert to fraction form
    18,437.07/25,443.26 = 10,479.30/x
  3. Step 3: Cross multiply
    18,437.07x = 25,443.26 × 10,479.30
  4. Step 4: Simplify right side
    18,437.07x = 266,627,554.52
  5. Step 5: Solve for x
    x = 266,627,554.52/18,437.07
  6. Step 6: Final answer
    x = 14,461.49

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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.