Home / 14,403.41-21,598.23-7,386.78

Finding the Fourth Proportional to 14,403.41, 21,598.23 and 7,386.78

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Solution

The fourth proportional to 14,403.41, 21,598.23 and 7,386.78 is: 11,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.41 : 21,598.23 = 7,386.78 : x
  2. Step 2: Convert to fraction form
    14,403.41/21,598.23 = 7,386.78/x
  3. Step 3: Cross multiply
    14,403.41x = 21,598.23 × 7,386.78
  4. Step 4: Simplify right side
    14,403.41x = 159,541,373.40
  5. Step 5: Solve for x
    x = 159,541,373.40/14,403.41
  6. Step 6: Final answer
    x = 11,076.64

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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.