Home / 19,478.04-26,879.71-10,525.55

Finding the Fourth Proportional to 19,478.04, 26,879.71 and 10,525.55

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Solution

The fourth proportional to 19,478.04, 26,879.71 and 10,525.55 is: 14,525.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.04 : 26,879.71 = 10,525.55 : x
  2. Step 2: Convert to fraction form
    19,478.04/26,879.71 = 10,525.55/x
  3. Step 3: Cross multiply
    19,478.04x = 26,879.71 × 10,525.55
  4. Step 4: Simplify right side
    19,478.04x = 282,923,544.56
  5. Step 5: Solve for x
    x = 282,923,544.56/19,478.04
  6. Step 6: Final answer
    x = 14,525.26

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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.