Home / 18,447.63-25,457.99-10,064.13

Finding the Fourth Proportional to 18,447.63, 25,457.99 and 10,064.13

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Solution

The fourth proportional to 18,447.63, 25,457.99 and 10,064.13 is: 13,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.63 : 25,457.99 = 10,064.13 : x
  2. Step 2: Convert to fraction form
    18,447.63/25,457.99 = 10,064.13/x
  3. Step 3: Cross multiply
    18,447.63x = 25,457.99 × 10,064.13
  4. Step 4: Simplify right side
    18,447.63x = 256,212,520.90
  5. Step 5: Solve for x
    x = 256,212,520.90/18,447.63
  6. Step 6: Final answer
    x = 13,888.64

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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.