Home / 15,432.48-21,294.96-9,464.40

Finding the Fourth Proportional to 15,432.48, 21,294.96 and 9,464.40

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Solution

The fourth proportional to 15,432.48, 21,294.96 and 9,464.40 is: 13,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.48 : 21,294.96 = 9,464.40 : x
  2. Step 2: Convert to fraction form
    15,432.48/21,294.96 = 9,464.40/x
  3. Step 3: Cross multiply
    15,432.48x = 21,294.96 × 9,464.40
  4. Step 4: Simplify right side
    15,432.48x = 201,544,019.42
  5. Step 5: Solve for x
    x = 201,544,019.42/15,432.48
  6. Step 6: Final answer
    x = 13,059.73

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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.