Home / 15,903.58-21,957.06-10,876.18

Finding the Fourth Proportional to 15,903.58, 21,957.06 and 10,876.18

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Solution

The fourth proportional to 15,903.58, 21,957.06 and 10,876.18 is: 15,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.58 : 21,957.06 = 10,876.18 : x
  2. Step 2: Convert to fraction form
    15,903.58/21,957.06 = 10,876.18/x
  3. Step 3: Cross multiply
    15,903.58x = 21,957.06 × 10,876.18
  4. Step 4: Simplify right side
    15,903.58x = 238,808,936.83
  5. Step 5: Solve for x
    x = 238,808,936.83/15,903.58
  6. Step 6: Final answer
    x = 15,016.05

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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.