Home / 21,302.16-29,368.08-17,316.96

Finding the Fourth Proportional to 21,302.16, 29,368.08 and 17,316.96

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Solution

The fourth proportional to 21,302.16, 29,368.08 and 17,316.96 is: 23,873.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302.16 : 29,368.08 = 17,316.96 : x
  2. Step 2: Convert to fraction form
    21,302.16/29,368.08 = 17,316.96/x
  3. Step 3: Cross multiply
    21,302.16x = 29,368.08 × 17,316.96
  4. Step 4: Simplify right side
    21,302.16x = 508,565,866.64
  5. Step 5: Solve for x
    x = 508,565,866.64/21,302.16
  6. Step 6: Final answer
    x = 23,873.91

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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.