Home / 23,457.20-32,362.90-13,378.36

Finding the Fourth Proportional to 23,457.20, 32,362.90 and 13,378.36

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Solution

The fourth proportional to 23,457.20, 32,362.90 and 13,378.36 is: 18,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,457.20 : 32,362.90 = 13,378.36 : x
  2. Step 2: Convert to fraction form
    23,457.20/32,362.90 = 13,378.36/x
  3. Step 3: Cross multiply
    23,457.20x = 32,362.90 × 13,378.36
  4. Step 4: Simplify right side
    23,457.20x = 432,962,526.84
  5. Step 5: Solve for x
    x = 432,962,526.84/23,457.20
  6. Step 6: Final answer
    x = 18,457.55

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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.