Home / 35,931.09-53,896.98-12,557.60

Finding the Fourth Proportional to 35,931.09, 53,896.98 and 12,557.60

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Solution

The fourth proportional to 35,931.09, 53,896.98 and 12,557.60 is: 18,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,931.09 : 53,896.98 = 12,557.60 : x
  2. Step 2: Convert to fraction form
    35,931.09/53,896.98 = 12,557.60/x
  3. Step 3: Cross multiply
    35,931.09x = 53,896.98 × 12,557.60
  4. Step 4: Simplify right side
    35,931.09x = 676,816,446.56
  5. Step 5: Solve for x
    x = 676,816,446.56/35,931.09
  6. Step 6: Final answer
    x = 18,836.51

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1.5x scale

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.