Home / 14,701.12-20,278.56-10,502.08

Finding the Fourth Proportional to 14,701.12, 20,278.56 and 10,502.08

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Solution

The fourth proportional to 14,701.12, 20,278.56 and 10,502.08 is: 14,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,701.12 : 20,278.56 = 10,502.08 : x
  2. Step 2: Convert to fraction form
    14,701.12/20,278.56 = 10,502.08/x
  3. Step 3: Cross multiply
    14,701.12x = 20,278.56 × 10,502.08
  4. Step 4: Simplify right side
    14,701.12x = 212,967,059.40
  5. Step 5: Solve for x
    x = 212,967,059.40/14,701.12
  6. Step 6: Final answer
    x = 14,486.45

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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.