Home / 18,969.64-26,180.58-10,587.88

Finding the Fourth Proportional to 18,969.64, 26,180.58 and 10,587.88

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Solution

The fourth proportional to 18,969.64, 26,180.58 and 10,587.88 is: 14,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969.64 : 26,180.58 = 10,587.88 : x
  2. Step 2: Convert to fraction form
    18,969.64/26,180.58 = 10,587.88/x
  3. Step 3: Cross multiply
    18,969.64x = 26,180.58 × 10,587.88
  4. Step 4: Simplify right side
    18,969.64x = 277,196,839.37
  5. Step 5: Solve for x
    x = 277,196,839.37/18,969.64
  6. Step 6: Final answer
    x = 14,612.66

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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.