Home / 18,396.04-25,386.50-10,012.52

Finding the Fourth Proportional to 18,396.04, 25,386.50 and 10,012.52

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Solution

The fourth proportional to 18,396.04, 25,386.50 and 10,012.52 is: 13,817.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.04 : 25,386.50 = 10,012.52 : x
  2. Step 2: Convert to fraction form
    18,396.04/25,386.50 = 10,012.52/x
  3. Step 3: Cross multiply
    18,396.04x = 25,386.50 × 10,012.52
  4. Step 4: Simplify right side
    18,396.04x = 254,182,838.98
  5. Step 5: Solve for x
    x = 254,182,838.98/18,396.04
  6. Step 6: Final answer
    x = 13,817.26

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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.