Home / 18,862.26-26,030.74-10,478.76

Finding the Fourth Proportional to 18,862.26, 26,030.74 and 10,478.76

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Solution

The fourth proportional to 18,862.26, 26,030.74 and 10,478.76 is: 14,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.26 : 26,030.74 = 10,478.76 : x
  2. Step 2: Convert to fraction form
    18,862.26/26,030.74 = 10,478.76/x
  3. Step 3: Cross multiply
    18,862.26x = 26,030.74 × 10,478.76
  4. Step 4: Simplify right side
    18,862.26x = 272,769,877.08
  5. Step 5: Solve for x
    x = 272,769,877.08/18,862.26
  6. Step 6: Final answer
    x = 14,461.15

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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.