Home / 19,300.95-26,635.55-10,803.60

Finding the Fourth Proportional to 19,300.95, 26,635.55 and 10,803.60

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Solution

The fourth proportional to 19,300.95, 26,635.55 and 10,803.60 is: 14,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.95 : 26,635.55 = 10,803.60 : x
  2. Step 2: Convert to fraction form
    19,300.95/26,635.55 = 10,803.60/x
  3. Step 3: Cross multiply
    19,300.95x = 26,635.55 × 10,803.60
  4. Step 4: Simplify right side
    19,300.95x = 287,759,773.96
  5. Step 5: Solve for x
    x = 287,759,773.96/19,300.95
  6. Step 6: Final answer
    x = 14,909.10

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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.