Home / 25,316.06-34,936.47-13,985.51

Finding the Fourth Proportional to 25,316.06, 34,936.47 and 13,985.51

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Solution

The fourth proportional to 25,316.06, 34,936.47 and 13,985.51 is: 19,300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.06 : 34,936.47 = 13,985.51 : x
  2. Step 2: Convert to fraction form
    25,316.06/34,936.47 = 13,985.51/x
  3. Step 3: Cross multiply
    25,316.06x = 34,936.47 × 13,985.51
  4. Step 4: Simplify right side
    25,316.06x = 488,604,175.87
  5. Step 5: Solve for x
    x = 488,604,175.87/25,316.06
  6. Step 6: Final answer
    x = 19,300.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.