Home / 46,452.41-69,678.59-13,172.76

Finding the Fourth Proportional to 46,452.41, 69,678.59 and 13,172.76

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Solution

The fourth proportional to 46,452.41, 69,678.59 and 13,172.76 is: 19,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,452.41 : 69,678.59 = 13,172.76 : x
  2. Step 2: Convert to fraction form
    46,452.41/69,678.59 = 13,172.76/x
  3. Step 3: Cross multiply
    46,452.41x = 69,678.59 × 13,172.76
  4. Step 4: Simplify right side
    46,452.41x = 917,859,277.34
  5. Step 5: Solve for x
    x = 917,859,277.34/46,452.41
  6. Step 6: Final answer
    x = 19,759.13

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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.