Home / 35,718.64-53,574.20-14,660.90

Finding the Fourth Proportional to 35,718.64, 53,574.20 and 14,660.90

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Solution

The fourth proportional to 35,718.64, 53,574.20 and 14,660.90 is: 21,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,718.64 : 53,574.20 = 14,660.90 : x
  2. Step 2: Convert to fraction form
    35,718.64/53,574.20 = 14,660.90/x
  3. Step 3: Cross multiply
    35,718.64x = 53,574.20 × 14,660.90
  4. Step 4: Simplify right side
    35,718.64x = 785,445,915.48
  5. Step 5: Solve for x
    x = 785,445,915.48/35,718.64
  6. Step 6: Final answer
    x = 21,989.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.