Home / 15,821.63-23,720.72-9,580.17

Finding the Fourth Proportional to 15,821.63, 23,720.72 and 9,580.17

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Solution

The fourth proportional to 15,821.63, 23,720.72 and 9,580.17 is: 14,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.63 : 23,720.72 = 9,580.17 : x
  2. Step 2: Convert to fraction form
    15,821.63/23,720.72 = 9,580.17/x
  3. Step 3: Cross multiply
    15,821.63x = 23,720.72 × 9,580.17
  4. Step 4: Simplify right side
    15,821.63x = 227,248,530.12
  5. Step 5: Solve for x
    x = 227,248,530.12/15,821.63
  6. Step 6: Final answer
    x = 14,363.16

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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.