Home / 19,316.16-26,654.40-10,931.04

Finding the Fourth Proportional to 19,316.16, 26,654.40 and 10,931.04

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Solution

The fourth proportional to 19,316.16, 26,654.40 and 10,931.04 is: 15,083.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.16 : 26,654.40 = 10,931.04 : x
  2. Step 2: Convert to fraction form
    19,316.16/26,654.40 = 10,931.04/x
  3. Step 3: Cross multiply
    19,316.16x = 26,654.40 × 10,931.04
  4. Step 4: Simplify right side
    19,316.16x = 291,360,312.58
  5. Step 5: Solve for x
    x = 291,360,312.58/19,316.16
  6. Step 6: Final answer
    x = 15,083.76

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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.