Home / 15,798.51-21,811.28-10,504.35

Finding the Fourth Proportional to 15,798.51, 21,811.28 and 10,504.35

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Solution

The fourth proportional to 15,798.51, 21,811.28 and 10,504.35 is: 14,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798.51 : 21,811.28 = 10,504.35 : x
  2. Step 2: Convert to fraction form
    15,798.51/21,811.28 = 10,504.35/x
  3. Step 3: Cross multiply
    15,798.51x = 21,811.28 × 10,504.35
  4. Step 4: Simplify right side
    15,798.51x = 229,113,266.55
  5. Step 5: Solve for x
    x = 229,113,266.55/15,798.51
  6. Step 6: Final answer
    x = 14,502.21

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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.