Home / 18,357.03-25,323.54-14,316.55

Finding the Fourth Proportional to 18,357.03, 25,323.54 and 14,316.55

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Solution

The fourth proportional to 18,357.03, 25,323.54 and 14,316.55 is: 19,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.03 : 25,323.54 = 14,316.55 : x
  2. Step 2: Convert to fraction form
    18,357.03/25,323.54 = 14,316.55/x
  3. Step 3: Cross multiply
    18,357.03x = 25,323.54 × 14,316.55
  4. Step 4: Simplify right side
    18,357.03x = 362,545,609.59
  5. Step 5: Solve for x
    x = 362,545,609.59/18,357.03
  6. Step 6: Final answer
    x = 19,749.69

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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.