Home / 18,868.04-26,038.02-11,798.60

Finding the Fourth Proportional to 18,868.04, 26,038.02 and 11,798.60

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Solution

The fourth proportional to 18,868.04, 26,038.02 and 11,798.60 is: 16,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.04 : 26,038.02 = 11,798.60 : x
  2. Step 2: Convert to fraction form
    18,868.04/26,038.02 = 11,798.60/x
  3. Step 3: Cross multiply
    18,868.04x = 26,038.02 × 11,798.60
  4. Step 4: Simplify right side
    18,868.04x = 307,212,182.77
  5. Step 5: Solve for x
    x = 307,212,182.77/18,868.04
  6. Step 6: Final answer
    x = 16,282.15

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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.