Home / 15,708.18-21,696.53-11,746.92

Finding the Fourth Proportional to 15,708.18, 21,696.53 and 11,746.92

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Solution

The fourth proportional to 15,708.18, 21,696.53 and 11,746.92 is: 16,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.18 : 21,696.53 = 11,746.92 : x
  2. Step 2: Convert to fraction form
    15,708.18/21,696.53 = 11,746.92/x
  3. Step 3: Cross multiply
    15,708.18x = 21,696.53 × 11,746.92
  4. Step 4: Simplify right side
    15,708.18x = 254,867,402.19
  5. Step 5: Solve for x
    x = 254,867,402.19/15,708.18
  6. Step 6: Final answer
    x = 16,225.14

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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.