Home / 19,201.95-26,485.02-12,475.10

Finding the Fourth Proportional to 19,201.95, 26,485.02 and 12,475.10

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Solution

The fourth proportional to 19,201.95, 26,485.02 and 12,475.10 is: 17,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.95 : 26,485.02 = 12,475.10 : x
  2. Step 2: Convert to fraction form
    19,201.95/26,485.02 = 12,475.10/x
  3. Step 3: Cross multiply
    19,201.95x = 26,485.02 × 12,475.10
  4. Step 4: Simplify right side
    19,201.95x = 330,403,140.58
  5. Step 5: Solve for x
    x = 330,403,140.58/19,201.95
  6. Step 6: Final answer
    x = 17,206.75

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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.