Home / 15,412.02-21,277.74-10,116.12

Finding the Fourth Proportional to 15,412.02, 21,277.74 and 10,116.12

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Solution

The fourth proportional to 15,412.02, 21,277.74 and 10,116.12 is: 13,966.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412.02 : 21,277.74 = 10,116.12 : x
  2. Step 2: Convert to fraction form
    15,412.02/21,277.74 = 10,116.12/x
  3. Step 3: Cross multiply
    15,412.02x = 21,277.74 × 10,116.12
  4. Step 4: Simplify right side
    15,412.02x = 215,248,171.17
  5. Step 5: Solve for x
    x = 215,248,171.17/15,412.02
  6. Step 6: Final answer
    x = 13,966.25

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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.