Home / 23,457.56-32,368.48-18,689.60

Finding the Fourth Proportional to 23,457.56, 32,368.48 and 18,689.60

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Solution

The fourth proportional to 23,457.56, 32,368.48 and 18,689.60 is: 25,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,457.56 : 32,368.48 = 18,689.60 : x
  2. Step 2: Convert to fraction form
    23,457.56/32,368.48 = 18,689.60/x
  3. Step 3: Cross multiply
    23,457.56x = 32,368.48 × 18,689.60
  4. Step 4: Simplify right side
    23,457.56x = 604,953,978.01
  5. Step 5: Solve for x
    x = 604,953,978.01/23,457.56
  6. Step 6: Final answer
    x = 25,789.30

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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.