Home / 15,406.94-21,274.54-9,751.67

Finding the Fourth Proportional to 15,406.94, 21,274.54 and 9,751.67

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Solution

The fourth proportional to 15,406.94, 21,274.54 and 9,751.67 is: 13,465.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.94 : 21,274.54 = 9,751.67 : x
  2. Step 2: Convert to fraction form
    15,406.94/21,274.54 = 9,751.67/x
  3. Step 3: Cross multiply
    15,406.94x = 21,274.54 × 9,751.67
  4. Step 4: Simplify right side
    15,406.94x = 207,462,210.10
  5. Step 5: Solve for x
    x = 207,462,210.10/15,406.94
  6. Step 6: Final answer
    x = 13,465.50

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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.