Home / 34,453.28-47,547.28-19,345.12

Finding the Fourth Proportional to 34,453.28, 47,547.28 and 19,345.12

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Solution

The fourth proportional to 34,453.28, 47,547.28 and 19,345.12 is: 26,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,453.28 : 47,547.28 = 19,345.12 : x
  2. Step 2: Convert to fraction form
    34,453.28/47,547.28 = 19,345.12/x
  3. Step 3: Cross multiply
    34,453.28x = 47,547.28 × 19,345.12
  4. Step 4: Simplify right side
    34,453.28x = 919,807,837.27
  5. Step 5: Solve for x
    x = 919,807,837.27/34,453.28
  6. Step 6: Final answer
    x = 26,697.25

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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.