Home / 15,448.16-23,153.70-7,116.74

Finding the Fourth Proportional to 15,448.16, 23,153.70 and 7,116.74

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Solution

The fourth proportional to 15,448.16, 23,153.70 and 7,116.74 is: 10,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.16 : 23,153.70 = 7,116.74 : x
  2. Step 2: Convert to fraction form
    15,448.16/23,153.70 = 7,116.74/x
  3. Step 3: Cross multiply
    15,448.16x = 23,153.70 × 7,116.74
  4. Step 4: Simplify right side
    15,448.16x = 164,778,862.94
  5. Step 5: Solve for x
    x = 164,778,862.94/15,448.16
  6. Step 6: Final answer
    x = 10,666.57

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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.