Home / 13,835.42-19,070.10-9,803.60

Finding the Fourth Proportional to 13,835.42, 19,070.10 and 9,803.60

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Solution

The fourth proportional to 13,835.42, 19,070.10 and 9,803.60 is: 13,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.42 : 19,070.10 = 9,803.60 : x
  2. Step 2: Convert to fraction form
    13,835.42/19,070.10 = 9,803.60/x
  3. Step 3: Cross multiply
    13,835.42x = 19,070.10 × 9,803.60
  4. Step 4: Simplify right side
    13,835.42x = 186,955,537.01
  5. Step 5: Solve for x
    x = 186,955,537.01/13,835.42
  6. Step 6: Final answer
    x = 13,512.82

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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.