Home / 18,348.39-25,319.01-14,580.68

Finding the Fourth Proportional to 18,348.39, 25,319.01 and 14,580.68

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Solution

The fourth proportional to 18,348.39, 25,319.01 and 14,580.68 is: 20,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.39 : 25,319.01 = 14,580.68 : x
  2. Step 2: Convert to fraction form
    18,348.39/25,319.01 = 14,580.68/x
  3. Step 3: Cross multiply
    18,348.39x = 25,319.01 × 14,580.68
  4. Step 4: Simplify right side
    18,348.39x = 369,168,310.81
  5. Step 5: Solve for x
    x = 369,168,310.81/18,348.39
  6. Step 6: Final answer
    x = 20,119.93

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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.