Home / 25,303.24-34,865.94-21,513.16

Finding the Fourth Proportional to 25,303.24, 34,865.94 and 21,513.16

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Solution

The fourth proportional to 25,303.24, 34,865.94 and 21,513.16 is: 29,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,303.24 : 34,865.94 = 21,513.16 : x
  2. Step 2: Convert to fraction form
    25,303.24/34,865.94 = 21,513.16/x
  3. Step 3: Cross multiply
    25,303.24x = 34,865.94 × 21,513.16
  4. Step 4: Simplify right side
    25,303.24x = 750,076,545.77
  5. Step 5: Solve for x
    x = 750,076,545.77/25,303.24
  6. Step 6: Final answer
    x = 29,643.50

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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.