Home / 14,002.84-19,323.93-7,715.22

Finding the Fourth Proportional to 14,002.84, 19,323.93 and 7,715.22

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Solution

The fourth proportional to 14,002.84, 19,323.93 and 7,715.22 is: 10,647.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.84 : 19,323.93 = 7,715.22 : x
  2. Step 2: Convert to fraction form
    14,002.84/19,323.93 = 7,715.22/x
  3. Step 3: Cross multiply
    14,002.84x = 19,323.93 × 7,715.22
  4. Step 4: Simplify right side
    14,002.84x = 149,088,371.21
  5. Step 5: Solve for x
    x = 149,088,371.21/14,002.84
  6. Step 6: Final answer
    x = 10,647.01

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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.