Home / 14,603.95-21,904.30-4,215.70

Finding the Fourth Proportional to 14,603.95, 21,904.30 and 4,215.70

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Solution

The fourth proportional to 14,603.95, 21,904.30 and 4,215.70 is: 6,323.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.95 : 21,904.30 = 4,215.70 : x
  2. Step 2: Convert to fraction form
    14,603.95/21,904.30 = 4,215.70/x
  3. Step 3: Cross multiply
    14,603.95x = 21,904.30 × 4,215.70
  4. Step 4: Simplify right side
    14,603.95x = 92,341,957.51
  5. Step 5: Solve for x
    x = 92,341,957.51/14,603.95
  6. Step 6: Final answer
    x = 6,323.08

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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.