Home / 15,312.22-22,969.16-4,783.68

Finding the Fourth Proportional to 15,312.22, 22,969.16 and 4,783.68

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Solution

The fourth proportional to 15,312.22, 22,969.16 and 4,783.68 is: 7,175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,312.22 : 22,969.16 = 4,783.68 : x
  2. Step 2: Convert to fraction form
    15,312.22/22,969.16 = 4,783.68/x
  3. Step 3: Cross multiply
    15,312.22x = 22,969.16 × 4,783.68
  4. Step 4: Simplify right side
    15,312.22x = 109,877,111.31
  5. Step 5: Solve for x
    x = 109,877,111.31/15,312.22
  6. Step 6: Final answer
    x = 7,175.78

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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.