Home / 19,387.12-26,754.16-10,888.08

Finding the Fourth Proportional to 19,387.12, 26,754.16 and 10,888.08

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Solution

The fourth proportional to 19,387.12, 26,754.16 and 10,888.08 is: 15,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.12 : 26,754.16 = 10,888.08 : x
  2. Step 2: Convert to fraction form
    19,387.12/26,754.16 = 10,888.08/x
  3. Step 3: Cross multiply
    19,387.12x = 26,754.16 × 10,888.08
  4. Step 4: Simplify right side
    19,387.12x = 291,301,434.41
  5. Step 5: Solve for x
    x = 291,301,434.41/19,387.12
  6. Step 6: Final answer
    x = 15,025.51

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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.