Home / 46,398.36-69,599.96-13,120.84

Finding the Fourth Proportional to 46,398.36, 69,599.96 and 13,120.84

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Solution

The fourth proportional to 46,398.36, 69,599.96 and 13,120.84 is: 19,681.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,398.36 : 69,599.96 = 13,120.84 : x
  2. Step 2: Convert to fraction form
    46,398.36/69,599.96 = 13,120.84/x
  3. Step 3: Cross multiply
    46,398.36x = 69,599.96 × 13,120.84
  4. Step 4: Simplify right side
    46,398.36x = 913,209,939.17
  5. Step 5: Solve for x
    x = 913,209,939.17/46,398.36
  6. Step 6: Final answer
    x = 19,681.94

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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.