Home / 22,929.05-31,648.65-13,503.08

Finding the Fourth Proportional to 22,929.05, 31,648.65 and 13,503.08

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Solution

The fourth proportional to 22,929.05, 31,648.65 and 13,503.08 is: 18,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,929.05 : 31,648.65 = 13,503.08 : x
  2. Step 2: Convert to fraction form
    22,929.05/31,648.65 = 13,503.08/x
  3. Step 3: Cross multiply
    22,929.05x = 31,648.65 × 13,503.08
  4. Step 4: Simplify right side
    22,929.05x = 427,354,252.84
  5. Step 5: Solve for x
    x = 427,354,252.84/22,929.05
  6. Step 6: Final answer
    x = 18,638.11

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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.