Home / 22,436.48-30,956.64-14,985.92

Finding the Fourth Proportional to 22,436.48, 30,956.64 and 14,985.92

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Solution

The fourth proportional to 22,436.48, 30,956.64 and 14,985.92 is: 20,676.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,436.48 : 30,956.64 = 14,985.92 : x
  2. Step 2: Convert to fraction form
    22,436.48/30,956.64 = 14,985.92/x
  3. Step 3: Cross multiply
    22,436.48x = 30,956.64 × 14,985.92
  4. Step 4: Simplify right side
    22,436.48x = 463,913,730.51
  5. Step 5: Solve for x
    x = 463,913,730.51/22,436.48
  6. Step 6: Final answer
    x = 20,676.76

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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.