Home / 13,802.28-19,047.60-7,753.58

Finding the Fourth Proportional to 13,802.28, 19,047.60 and 7,753.58

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Solution

The fourth proportional to 13,802.28, 19,047.60 and 7,753.58 is: 10,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.28 : 19,047.60 = 7,753.58 : x
  2. Step 2: Convert to fraction form
    13,802.28/19,047.60 = 7,753.58/x
  3. Step 3: Cross multiply
    13,802.28x = 19,047.60 × 7,753.58
  4. Step 4: Simplify right side
    13,802.28x = 147,687,090.41
  5. Step 5: Solve for x
    x = 147,687,090.41/13,802.28
  6. Step 6: Final answer
    x = 10,700.20

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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.