Home / 15,663.27-21,482.98-14,816.01

Finding the Fourth Proportional to 15,663.27, 21,482.98 and 14,816.01

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Solution

The fourth proportional to 15,663.27, 21,482.98 and 14,816.01 is: 20,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,663.27 : 21,482.98 = 14,816.01 : x
  2. Step 2: Convert to fraction form
    15,663.27/21,482.98 = 14,816.01/x
  3. Step 3: Cross multiply
    15,663.27x = 21,482.98 × 14,816.01
  4. Step 4: Simplify right side
    15,663.27x = 318,292,046.51
  5. Step 5: Solve for x
    x = 318,292,046.51/15,663.27
  6. Step 6: Final answer
    x = 20,320.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.