Home / 21,055.91-29,022.54-14,925.67

Finding the Fourth Proportional to 21,055.91, 29,022.54 and 14,925.67

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Solution

The fourth proportional to 21,055.91, 29,022.54 and 14,925.67 is: 20,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055.91 : 29,022.54 = 14,925.67 : x
  2. Step 2: Convert to fraction form
    21,055.91/29,022.54 = 14,925.67/x
  3. Step 3: Cross multiply
    21,055.91x = 29,022.54 × 14,925.67
  4. Step 4: Simplify right side
    21,055.91x = 433,180,789.04
  5. Step 5: Solve for x
    x = 433,180,789.04/21,055.91
  6. Step 6: Final answer
    x = 20,572.88

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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.