Home / 18,565.81-25,630.77-14,338.75

Finding the Fourth Proportional to 18,565.81, 25,630.77 and 14,338.75

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Solution

The fourth proportional to 18,565.81, 25,630.77 and 14,338.75 is: 19,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.81 : 25,630.77 = 14,338.75 : x
  2. Step 2: Convert to fraction form
    18,565.81/25,630.77 = 14,338.75/x
  3. Step 3: Cross multiply
    18,565.81x = 25,630.77 × 14,338.75
  4. Step 4: Simplify right side
    18,565.81x = 367,513,139.26
  5. Step 5: Solve for x
    x = 367,513,139.26/18,565.81
  6. Step 6: Final answer
    x = 19,795.16

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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.