Home / 18,862.47-26,035.02-10,903.68

Finding the Fourth Proportional to 18,862.47, 26,035.02 and 10,903.68

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Solution

The fourth proportional to 18,862.47, 26,035.02 and 10,903.68 is: 15,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.47 : 26,035.02 = 10,903.68 : x
  2. Step 2: Convert to fraction form
    18,862.47/26,035.02 = 10,903.68/x
  3. Step 3: Cross multiply
    18,862.47x = 26,035.02 × 10,903.68
  4. Step 4: Simplify right side
    18,862.47x = 283,877,526.87
  5. Step 5: Solve for x
    x = 283,877,526.87/18,862.47
  6. Step 6: Final answer
    x = 15,049.86

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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.