Home / 23,356.65-32,245.49-15,421.89

Finding the Fourth Proportional to 23,356.65, 32,245.49 and 15,421.89

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Solution

The fourth proportional to 23,356.65, 32,245.49 and 15,421.89 is: 21,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,356.65 : 32,245.49 = 15,421.89 : x
  2. Step 2: Convert to fraction form
    23,356.65/32,245.49 = 15,421.89/x
  3. Step 3: Cross multiply
    23,356.65x = 32,245.49 × 15,421.89
  4. Step 4: Simplify right side
    23,356.65x = 497,286,559.25
  5. Step 5: Solve for x
    x = 497,286,559.25/23,356.65
  6. Step 6: Final answer
    x = 21,291.00

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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.