Home / 15,296.46-21,116.53-10,258.84

Finding the Fourth Proportional to 15,296.46, 21,116.53 and 10,258.84

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Solution

The fourth proportional to 15,296.46, 21,116.53 and 10,258.84 is: 14,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296.46 : 21,116.53 = 10,258.84 : x
  2. Step 2: Convert to fraction form
    15,296.46/21,116.53 = 10,258.84/x
  3. Step 3: Cross multiply
    15,296.46x = 21,116.53 × 10,258.84
  4. Step 4: Simplify right side
    15,296.46x = 216,631,102.63
  5. Step 5: Solve for x
    x = 216,631,102.63/15,296.46
  6. Step 6: Final answer
    x = 14,162.17

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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.