Home / 15,426.28-23,139.42-5,038.03

Finding the Fourth Proportional to 15,426.28, 23,139.42 and 5,038.03

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Solution

The fourth proportional to 15,426.28, 23,139.42 and 5,038.03 is: 7,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.28 : 23,139.42 = 5,038.03 : x
  2. Step 2: Convert to fraction form
    15,426.28/23,139.42 = 5,038.03/x
  3. Step 3: Cross multiply
    15,426.28x = 23,139.42 × 5,038.03
  4. Step 4: Simplify right side
    15,426.28x = 116,577,130.51
  5. Step 5: Solve for x
    x = 116,577,130.51/15,426.28
  6. Step 6: Final answer
    x = 7,557.05

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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.