Home / 18,506.40-25,540.56-10,547.04

Finding the Fourth Proportional to 18,506.40, 25,540.56 and 10,547.04

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Solution

The fourth proportional to 18,506.40, 25,540.56 and 10,547.04 is: 14,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.40 : 25,540.56 = 10,547.04 : x
  2. Step 2: Convert to fraction form
    18,506.40/25,540.56 = 10,547.04/x
  3. Step 3: Cross multiply
    18,506.40x = 25,540.56 × 10,547.04
  4. Step 4: Simplify right side
    18,506.40x = 269,377,307.94
  5. Step 5: Solve for x
    x = 269,377,307.94/18,506.40
  6. Step 6: Final answer
    x = 14,555.90

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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.