Home / 23,783.58-32,820.93-13,172.99

Finding the Fourth Proportional to 23,783.58, 32,820.93 and 13,172.99

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Solution

The fourth proportional to 23,783.58, 32,820.93 and 13,172.99 is: 18,178.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,783.58 : 32,820.93 = 13,172.99 : x
  2. Step 2: Convert to fraction form
    23,783.58/32,820.93 = 13,172.99/x
  3. Step 3: Cross multiply
    23,783.58x = 32,820.93 × 13,172.99
  4. Step 4: Simplify right side
    23,783.58x = 432,349,618.58
  5. Step 5: Solve for x
    x = 432,349,618.58/23,783.58
  6. Step 6: Final answer
    x = 18,178.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.