Home / 13,063.02-19,578.66-7,520.22

Finding the Fourth Proportional to 13,063.02, 19,578.66 and 7,520.22

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Solution

The fourth proportional to 13,063.02, 19,578.66 and 7,520.22 is: 11,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.02 : 19,578.66 = 7,520.22 : x
  2. Step 2: Convert to fraction form
    13,063.02/19,578.66 = 7,520.22/x
  3. Step 3: Cross multiply
    13,063.02x = 19,578.66 × 7,520.22
  4. Step 4: Simplify right side
    13,063.02x = 147,235,830.51
  5. Step 5: Solve for x
    x = 147,235,830.51/13,063.02
  6. Step 6: Final answer
    x = 11,271.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.