Home / 25,328.47-34,949.59-15,900.07

Finding the Fourth Proportional to 25,328.47, 34,949.59 and 15,900.07

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Solution

The fourth proportional to 25,328.47, 34,949.59 and 15,900.07 is: 21,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,328.47 : 34,949.59 = 15,900.07 : x
  2. Step 2: Convert to fraction form
    25,328.47/34,949.59 = 15,900.07/x
  3. Step 3: Cross multiply
    25,328.47x = 34,949.59 × 15,900.07
  4. Step 4: Simplify right side
    25,328.47x = 555,700,927.47
  5. Step 5: Solve for x
    x = 555,700,927.47/25,328.47
  6. Step 6: Final answer
    x = 21,939.77

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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.