Home / 13,482.91-18,606.23-7,515.23

Finding the Fourth Proportional to 13,482.91, 18,606.23 and 7,515.23

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Solution

The fourth proportional to 13,482.91, 18,606.23 and 7,515.23 is: 10,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.91 : 18,606.23 = 7,515.23 : x
  2. Step 2: Convert to fraction form
    13,482.91/18,606.23 = 7,515.23/x
  3. Step 3: Cross multiply
    13,482.91x = 18,606.23 × 7,515.23
  4. Step 4: Simplify right side
    13,482.91x = 139,830,097.88
  5. Step 5: Solve for x
    x = 139,830,097.88/13,482.91
  6. Step 6: Final answer
    x = 10,370.92

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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.