Home / 15,312.61-22,974.63-10,428.31

Finding the Fourth Proportional to 15,312.61, 22,974.63 and 10,428.31

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Solution

The fourth proportional to 15,312.61, 22,974.63 and 10,428.31 is: 15,646.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,312.61 : 22,974.63 = 10,428.31 : x
  2. Step 2: Convert to fraction form
    15,312.61/22,974.63 = 10,428.31/x
  3. Step 3: Cross multiply
    15,312.61x = 22,974.63 × 10,428.31
  4. Step 4: Simplify right side
    15,312.61x = 239,586,563.78
  5. Step 5: Solve for x
    x = 239,586,563.78/15,312.61
  6. Step 6: Final answer
    x = 15,646.36

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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.