Home / 46,386.88-69,574.09-13,109.55

Finding the Fourth Proportional to 46,386.88, 69,574.09 and 13,109.55

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Solution

The fourth proportional to 46,386.88, 69,574.09 and 13,109.55 is: 19,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,386.88 : 69,574.09 = 13,109.55 : x
  2. Step 2: Convert to fraction form
    46,386.88/69,574.09 = 13,109.55/x
  3. Step 3: Cross multiply
    46,386.88x = 69,574.09 × 13,109.55
  4. Step 4: Simplify right side
    46,386.88x = 912,084,742.46
  5. Step 5: Solve for x
    x = 912,084,742.46/46,386.88
  6. Step 6: Final answer
    x = 19,662.56

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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.