Home / 23,709.65-32,720.15-15,650.39

Finding the Fourth Proportional to 23,709.65, 32,720.15 and 15,650.39

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Solution

The fourth proportional to 23,709.65, 32,720.15 and 15,650.39 is: 21,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,709.65 : 32,720.15 = 15,650.39 : x
  2. Step 2: Convert to fraction form
    23,709.65/32,720.15 = 15,650.39/x
  3. Step 3: Cross multiply
    23,709.65x = 32,720.15 × 15,650.39
  4. Step 4: Simplify right side
    23,709.65x = 512,082,866.51
  5. Step 5: Solve for x
    x = 512,082,866.51/23,709.65
  6. Step 6: Final answer
    x = 21,598.08

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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.