Home / 21,055.07-31,582.74-14,461.27

Finding the Fourth Proportional to 21,055.07, 31,582.74 and 14,461.27

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Solution

The fourth proportional to 21,055.07, 31,582.74 and 14,461.27 is: 21,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055.07 : 31,582.74 = 14,461.27 : x
  2. Step 2: Convert to fraction form
    21,055.07/31,582.74 = 14,461.27/x
  3. Step 3: Cross multiply
    21,055.07x = 31,582.74 × 14,461.27
  4. Step 4: Simplify right side
    21,055.07x = 456,726,530.48
  5. Step 5: Solve for x
    x = 456,726,530.48/21,055.07
  6. Step 6: Final answer
    x = 21,692.00

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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.