Home / 23,316.08-32,165.12-15,765.02

Finding the Fourth Proportional to 23,316.08, 32,165.12 and 15,765.02

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Solution

The fourth proportional to 23,316.08, 32,165.12 and 15,765.02 is: 21,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,316.08 : 32,165.12 = 15,765.02 : x
  2. Step 2: Convert to fraction form
    23,316.08/32,165.12 = 15,765.02/x
  3. Step 3: Cross multiply
    23,316.08x = 32,165.12 × 15,765.02
  4. Step 4: Simplify right side
    23,316.08x = 507,083,638.69
  5. Step 5: Solve for x
    x = 507,083,638.69/23,316.08
  6. Step 6: Final answer
    x = 21,748.23

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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.