Home / 38,693.05-53,407.81-25,266.40

Finding the Fourth Proportional to 38,693.05, 53,407.81 and 25,266.40

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Solution

The fourth proportional to 38,693.05, 53,407.81 and 25,266.40 is: 34,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,693.05 : 53,407.81 = 25,266.40 : x
  2. Step 2: Convert to fraction form
    38,693.05/53,407.81 = 25,266.40/x
  3. Step 3: Cross multiply
    38,693.05x = 53,407.81 × 25,266.40
  4. Step 4: Simplify right side
    38,693.05x = 1,349,422,988.65
  5. Step 5: Solve for x
    x = 1,349,422,988.65/38,693.05
  6. Step 6: Final answer
    x = 34,875.08

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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.