Home / 18,312.36-25,275.59-10,359.27

Finding the Fourth Proportional to 18,312.36, 25,275.59 and 10,359.27

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Solution

The fourth proportional to 18,312.36, 25,275.59 and 10,359.27 is: 14,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.36 : 25,275.59 = 10,359.27 : x
  2. Step 2: Convert to fraction form
    18,312.36/25,275.59 = 10,359.27/x
  3. Step 3: Cross multiply
    18,312.36x = 25,275.59 × 10,359.27
  4. Step 4: Simplify right side
    18,312.36x = 261,836,609.42
  5. Step 5: Solve for x
    x = 261,836,609.42/18,312.36
  6. Step 6: Final answer
    x = 14,298.35

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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.