Home / 37,603.04-56,409.21-12,645.72

Finding the Fourth Proportional to 37,603.04, 56,409.21 and 12,645.72

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Solution

The fourth proportional to 37,603.04, 56,409.21 and 12,645.72 is: 18,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,603.04 : 56,409.21 = 12,645.72 : x
  2. Step 2: Convert to fraction form
    37,603.04/56,409.21 = 12,645.72/x
  3. Step 3: Cross multiply
    37,603.04x = 56,409.21 × 12,645.72
  4. Step 4: Simplify right side
    37,603.04x = 713,335,075.08
  5. Step 5: Solve for x
    x = 713,335,075.08/37,603.04
  6. Step 6: Final answer
    x = 18,970.15

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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.