Home / 46,390.68-69,588.54-13,113.36

Finding the Fourth Proportional to 46,390.68, 69,588.54 and 13,113.36

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Solution

The fourth proportional to 46,390.68, 69,588.54 and 13,113.36 is: 19,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,390.68 : 69,588.54 = 13,113.36 : x
  2. Step 2: Convert to fraction form
    46,390.68/69,588.54 = 13,113.36/x
  3. Step 3: Cross multiply
    46,390.68x = 69,588.54 × 13,113.36
  4. Step 4: Simplify right side
    46,390.68x = 912,539,576.89
  5. Step 5: Solve for x
    x = 912,539,576.89/46,390.68
  6. Step 6: Final answer
    x = 19,670.75

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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.