Home / 15,424.92-21,271.49-13,034.93

Finding the Fourth Proportional to 15,424.92, 21,271.49 and 13,034.93

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Solution

The fourth proportional to 15,424.92, 21,271.49 and 13,034.93 is: 17,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.92 : 21,271.49 = 13,034.93 : x
  2. Step 2: Convert to fraction form
    15,424.92/21,271.49 = 13,034.93/x
  3. Step 3: Cross multiply
    15,424.92x = 21,271.49 × 13,034.93
  4. Step 4: Simplify right side
    15,424.92x = 277,272,211.61
  5. Step 5: Solve for x
    x = 277,272,211.61/15,424.92
  6. Step 6: Final answer
    x = 17,975.60

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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.