Home / 18,295.47-25,253.91-13,005.63

Finding the Fourth Proportional to 18,295.47, 25,253.91 and 13,005.63

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Solution

The fourth proportional to 18,295.47, 25,253.91 and 13,005.63 is: 17,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.47 : 25,253.91 = 13,005.63 : x
  2. Step 2: Convert to fraction form
    18,295.47/25,253.91 = 13,005.63/x
  3. Step 3: Cross multiply
    18,295.47x = 25,253.91 × 13,005.63
  4. Step 4: Simplify right side
    18,295.47x = 328,443,009.51
  5. Step 5: Solve for x
    x = 328,443,009.51/18,295.47
  6. Step 6: Final answer
    x = 17,952.15

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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.