Home / 35,417.40-53,128.02-13,236.60

Finding the Fourth Proportional to 35,417.40, 53,128.02 and 13,236.60

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Solution

The fourth proportional to 35,417.40, 53,128.02 and 13,236.60 is: 19,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,417.40 : 53,128.02 = 13,236.60 : x
  2. Step 2: Convert to fraction form
    35,417.40/53,128.02 = 13,236.60/x
  3. Step 3: Cross multiply
    35,417.40x = 53,128.02 × 13,236.60
  4. Step 4: Simplify right side
    35,417.40x = 703,234,349.53
  5. Step 5: Solve for x
    x = 703,234,349.53/35,417.40
  6. Step 6: Final answer
    x = 19,855.62

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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.