Home / 15,347.78-22,988.26-9,406.68

Finding the Fourth Proportional to 15,347.78, 22,988.26 and 9,406.68

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Solution

The fourth proportional to 15,347.78, 22,988.26 and 9,406.68 is: 14,089.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.78 : 22,988.26 = 9,406.68 : x
  2. Step 2: Convert to fraction form
    15,347.78/22,988.26 = 9,406.68/x
  3. Step 3: Cross multiply
    15,347.78x = 22,988.26 × 9,406.68
  4. Step 4: Simplify right side
    15,347.78x = 216,243,207.53
  5. Step 5: Solve for x
    x = 216,243,207.53/15,347.78
  6. Step 6: Final answer
    x = 14,089.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.