Home / 15,905.04-23,971.87-13,710.36

Finding the Fourth Proportional to 15,905.04, 23,971.87 and 13,710.36

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Solution

The fourth proportional to 15,905.04, 23,971.87 and 13,710.36 is: 20,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.04 : 23,971.87 = 13,710.36 : x
  2. Step 2: Convert to fraction form
    15,905.04/23,971.87 = 13,710.36/x
  3. Step 3: Cross multiply
    15,905.04x = 23,971.87 × 13,710.36
  4. Step 4: Simplify right side
    15,905.04x = 328,662,967.57
  5. Step 5: Solve for x
    x = 328,662,967.57/15,905.04
  6. Step 6: Final answer
    x = 20,664.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.