Home / 18,740.16-25,866.54-10,784.88

Finding the Fourth Proportional to 18,740.16, 25,866.54 and 10,784.88

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Solution

The fourth proportional to 18,740.16, 25,866.54 and 10,784.88 is: 14,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.16 : 25,866.54 = 10,784.88 : x
  2. Step 2: Convert to fraction form
    18,740.16/25,866.54 = 10,784.88/x
  3. Step 3: Cross multiply
    18,740.16x = 25,866.54 × 10,784.88
  4. Step 4: Simplify right side
    18,740.16x = 278,967,529.92
  5. Step 5: Solve for x
    x = 278,967,529.92/18,740.16
  6. Step 6: Final answer
    x = 14,886.08

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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.