Home / 46,278.90-69,407.52-13,002.15

Finding the Fourth Proportional to 46,278.90, 69,407.52 and 13,002.15

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Solution

The fourth proportional to 46,278.90, 69,407.52 and 13,002.15 is: 19,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,278.90 : 69,407.52 = 13,002.15 : x
  2. Step 2: Convert to fraction form
    46,278.90/69,407.52 = 13,002.15/x
  3. Step 3: Cross multiply
    46,278.90x = 69,407.52 × 13,002.15
  4. Step 4: Simplify right side
    46,278.90x = 902,446,986.17
  5. Step 5: Solve for x
    x = 902,446,986.17/46,278.90
  6. Step 6: Final answer
    x = 19,500.18

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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.