Home / 17,870.70-24,663.03-9,913.74

Finding the Fourth Proportional to 17,870.70, 24,663.03 and 9,913.74

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Solution

The fourth proportional to 17,870.70, 24,663.03 and 9,913.74 is: 13,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.70 : 24,663.03 = 9,913.74 : x
  2. Step 2: Convert to fraction form
    17,870.70/24,663.03 = 9,913.74/x
  3. Step 3: Cross multiply
    17,870.70x = 24,663.03 × 9,913.74
  4. Step 4: Simplify right side
    17,870.70x = 244,502,867.03
  5. Step 5: Solve for x
    x = 244,502,867.03/17,870.70
  6. Step 6: Final answer
    x = 13,681.77

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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.