Home / 15,038.46-22,551.12-4,647.78

Finding the Fourth Proportional to 15,038.46, 22,551.12 and 4,647.78

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Solution

The fourth proportional to 15,038.46, 22,551.12 and 4,647.78 is: 6,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,038.46 : 22,551.12 = 4,647.78 : x
  2. Step 2: Convert to fraction form
    15,038.46/22,551.12 = 4,647.78/x
  3. Step 3: Cross multiply
    15,038.46x = 22,551.12 × 4,647.78
  4. Step 4: Simplify right side
    15,038.46x = 104,812,644.51
  5. Step 5: Solve for x
    x = 104,812,644.51/15,038.46
  6. Step 6: Final answer
    x = 6,969.64

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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.