Home / 19,478.48-26,880.23-10,525.97

Finding the Fourth Proportional to 19,478.48, 26,880.23 and 10,525.97

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Solution

The fourth proportional to 19,478.48, 26,880.23 and 10,525.97 is: 14,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.48 : 26,880.23 = 10,525.97 : x
  2. Step 2: Convert to fraction form
    19,478.48/26,880.23 = 10,525.97/x
  3. Step 3: Cross multiply
    19,478.48x = 26,880.23 × 10,525.97
  4. Step 4: Simplify right side
    19,478.48x = 282,940,588.09
  5. Step 5: Solve for x
    x = 282,940,588.09/19,478.48
  6. Step 6: Final answer
    x = 14,525.81

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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.