Home / 18,301.71-25,256.13-10,746.75

Finding the Fourth Proportional to 18,301.71, 25,256.13 and 10,746.75

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Solution

The fourth proportional to 18,301.71, 25,256.13 and 10,746.75 is: 14,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.71 : 25,256.13 = 10,746.75 : x
  2. Step 2: Convert to fraction form
    18,301.71/25,256.13 = 10,746.75/x
  3. Step 3: Cross multiply
    18,301.71x = 25,256.13 × 10,746.75
  4. Step 4: Simplify right side
    18,301.71x = 271,421,315.08
  5. Step 5: Solve for x
    x = 271,421,315.08/18,301.71
  6. Step 6: Final answer
    x = 14,830.38

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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.