Home / 25,039.95-37,505.34-12,538.17

Finding the Fourth Proportional to 25,039.95, 37,505.34 and 12,538.17

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Solution

The fourth proportional to 25,039.95, 37,505.34 and 12,538.17 is: 18,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,039.95 : 37,505.34 = 12,538.17 : x
  2. Step 2: Convert to fraction form
    25,039.95/37,505.34 = 12,538.17/x
  3. Step 3: Cross multiply
    25,039.95x = 37,505.34 × 12,538.17
  4. Step 4: Simplify right side
    25,039.95x = 470,248,478.31
  5. Step 5: Solve for x
    x = 470,248,478.31/25,039.95
  6. Step 6: Final answer
    x = 18,779.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.