Home / 14,901.63-20,573.28-9,870.17

Finding the Fourth Proportional to 14,901.63, 20,573.28 and 9,870.17

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Solution

The fourth proportional to 14,901.63, 20,573.28 and 9,870.17 is: 13,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.63 : 20,573.28 = 9,870.17 : x
  2. Step 2: Convert to fraction form
    14,901.63/20,573.28 = 9,870.17/x
  3. Step 3: Cross multiply
    14,901.63x = 20,573.28 × 9,870.17
  4. Step 4: Simplify right side
    14,901.63x = 203,061,695.95
  5. Step 5: Solve for x
    x = 203,061,695.95/14,901.63
  6. Step 6: Final answer
    x = 13,626.81

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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.