Home / 15,952.81-22,021.05-10,645.69

Finding the Fourth Proportional to 15,952.81, 22,021.05 and 10,645.69

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Solution

The fourth proportional to 15,952.81, 22,021.05 and 10,645.69 is: 14,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.81 : 22,021.05 = 10,645.69 : x
  2. Step 2: Convert to fraction form
    15,952.81/22,021.05 = 10,645.69/x
  3. Step 3: Cross multiply
    15,952.81x = 22,021.05 × 10,645.69
  4. Step 4: Simplify right side
    15,952.81x = 234,429,271.77
  5. Step 5: Solve for x
    x = 234,429,271.77/15,952.81
  6. Step 6: Final answer
    x = 14,695.17

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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.